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We present a rare case of primary caruncle basal cell carcinoma (BCC), a condition with limited occurrences. Our patient, an 80-year-old woman without prior ocular pathological history, presented a 2x2mm pedunculated blackish nodular lesion on the caruncle of her left eye, without local conjunctival or cutaneous involvement. Histological analysis following complete excision confirmed the presence of basal cell carcinoma within the caruncle. Over a span of 30 months, no recurrence has been observed. While scant cases are documented in the literature, we conducted a review of these instances. Despite its infrequent manifestation, this condition should be taken into account when evaluating caruncular tumors, given its tendency to invade the orbit. Complete excision with free surgical margins is the treatment of choice, and adjuvant radiotherapy or chemotherapy might be considered. [ABSTRACT FROM AUTHOR]

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Copyright of Die Ophthalmologie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arquivos Brasileiros de Oftalmologia is the property of Arquivos Brasileiros de Oftalmologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arquivos Brasileiros de Oftalmologia is the property of Arquivos Brasileiros de Oftalmologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: pyogenic granuloma is a benign vascular tumor that can also occur in the ocular conjunctiva. Patient information: it was presented a case of a white male patient, 75 years old, who came to the Oculoplasty Clinic of the “Arnaldo Milián Castro” Hospital with an increase of pedunculated volume in the inner third of the lower eyelid of the right eye that had been growing progressively for several months. This lesion started as a small lump in the tarsal conjunctiva and progressively increased in size until it protruded and caused ectropion of the lower eyelid. Constant exposure of the mass and rubbing against the eyelid skin caused permanent infection that did not subside with antibiotics applied locally in eye drops. A microbiological study of conjunctival secretions showed a multibacterial colonization. Conclusions: histopathological study of the lesion allows confirmation of the diagnosis. They can be treated with steroids or surgical excision. [ABSTRACT FROM AUTHOR]

Abstract Background A hypertrophic limbal mass lesion is an uncommon finding of vernal keratoconjunctivitis; it normally occurs in eyes with severe papillae formation in the tarsal conjunctiva. We present a case with a limbal mass lesion in a patient with relatively mild allergic findings in the tarsal conjunctiva. Case presentation A 12-year-old Japanese boy displaying allergic conjunctivitis presented with a mass lesion at the inferior limbus in the left eye. Relatively mild papillae formation was found on the tarsal conjunctiva in both eyes. We diagnosed that the mass lesion resulted from limbal vernal keratoconjunctivitis and resected it for therapeutic purposes. Histopathological examination showed that eosinophils, lymphocytes, and fibroblasts were present in the subepithelial lesion and the substantia propria of the mass lesion. Immunohistochemical staining detected diffuse and rich infiltration of CD3-positive T lymphocytes and a relatively small number of CD20-positive B lymphocytes and CD138-positive plasma cells that tended to aggregate. The histopathologic features suggested that the limbal mass lesion had similar structures to the papillae at the tarsal conjunctiva of vernal keratoconjunctivitis. Conclusion The limbal mass lesion as a finding of vernal keratoconjunctivitis can occur even if the papillae formation at the patient’s tarsal conjunctiva is mild.

Ocular surface squamous neoplasia represents neoplastic epithelial abnormalities of conjunctiva and cornea, ranging from squamous dysplasia to invasive squamous cell carcinoma and is both sight- and life-threatening. Squamous spindle cell carcinoma (SSCC) of conjunctiva is a rare variant with distinct behavior which is thought to be more locally aggressive. We describe an 83-year-old woman with a progressively enlarging huge SSCC in her right eye over the past 2 years. The tumor bulged out with local invasion into intraocular and orbital cavities. Wide excision of the tumor with frozen section control was performed. After surgery, topical 0.03% mitomycin C was given as adjuvant therapy. At 40-month follow-up, the lesion site showed no evidence of local recurrence. This case provides a valuable and complete experience of the clinical presentation for the progression and treatment of this rare disease. [ABSTRACT FROM AUTHOR]

Objective* To investigate the relationship between histopathological features, Ki-67 expression and prognosis of conjunctival melanoma (CoM). Methods • Thirty-six patients with histopathologically confirmed CoM admitted to the Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine between August 2008 and September 2020 were selected, and their clinical characteristics and histopathological features data were collected to analyze their clinicopathological characteristics, Ki-67 expression and prognostic relationships. Results • Thirty-six patients with CoM were included in this study, including 26 males and 10 females, with a mean age of 57.81 (31-82) years. The site of onset was located in the lacrimal caruncle in 11 cases (30.6%), the fornix in 8 cases (22.2%), and the palpebral conjunctiva in 15 cases (41.7%). One patient (2.8%) had T1 stage disease, 12 (33.3%) had T2 stage disease, and 23 (63.9%) had T3 stage according to the American Joint Committee on Cancer (AJCC) 8th edition staging system. During the follow-up period, local recurrence was observed in 16 patients (44.4%), distant metastases in 17 patients (47.2%) and 16 patients (44.4%) died of disease. The Breslow thickness of CoM tumors was 4.05 (0.2-15.9) mm, with 18 cases (50.0%) >4 mm. Ulceration and regression were observed in 13 cases (36.1%) and 7 cases (19.4%), respectively. Tumor-infiltrated lymphocytes (TILs) were rated as "brisk" in 4 patients (11.1%) and "nonbrisk" in 26 patients (72.2%). Three patients (8.3%) had perineural invasion and 8 patients (22.2%) had vascular invasion. Thirty-five cases (97.2%) were in the vertical growth phase, and microscopic satellitosis was observed in only one case (2.8%). Regarding the histological type, 18 cases (50.0%) were superficial spreading, 12 (33.3%) were nodular, 4 (11.1%) were lentiginous, and 2 were unknown. Ki-67 index>20% was observed in 14 patients (38.9%). Breslow thickness >4 mm indicated high risk of local recurrence (F=0.049) and disease-related death of CoM (P= 0.049). Histological ulceration and regression were risk factors for local recurrence (P=0.030) and distant metastasis (P=0.046), respectively. In addition, Ki-67 index was related with local recurrence (P=0.016). Spearman correlation analysis showed that Ki-67 index was positively correlated with local recurrence (P=0.433). CoM patients with a Ki-67 index higher than 20% had a higher risk of local recurrence [hazard ratio (HR) 3.61, 95% confidence interval (CI) 1.26 - 10.28, Log-rank P=0.011]. Conclusion • Histopathological features and Ki-67 expression of CoM can be used to predict patient prognosis and help guide clinical treatment. [ABSTRACT FROM AUTHOR]

Background: A hypertrophic limbal mass lesion is an uncommon finding of vernal keratoconjunctivitis; it normally occurs in eyes with severe papillae formation in the tarsal conjunctiva. We present a case with a limbal mass lesion in a patient with relatively mild allergic findings in the tarsal conjunctiva. Case presentation: A 12-year-old Japanese boy displaying allergic conjunctivitis presented with a mass lesion at the inferior limbus in the left eye. Relatively mild papillae formation was found on the tarsal conjunctiva in both eyes. We diagnosed that the mass lesion resulted from limbal vernal keratoconjunctivitis and resected it for therapeutic purposes. Histopathological examination showed that eosinophils, lymphocytes, and fibroblasts were present in the subepithelial lesion and the substantia propria of the mass lesion. Immunohistochemical staining detected diffuse and rich infiltration of CD3-positive T lymphocytes and a relatively small number of CD20-positive B lymphocytes and CD138-positive plasma cells that tended to aggregate. The histopathologic features suggested that the limbal mass lesion had similar structures to the papillae at the tarsal conjunctiva of vernal keratoconjunctivitis. Conclusion: The limbal mass lesion as a finding of vernal keratoconjunctivitis can occur even if the papillae formation at the patient's tarsal conjunctiva is mild. [ABSTRACT FROM AUTHOR]

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PurposeTo compare treatment strategies for ocular surface squamous neoplasia (OSSN), ranging from surgical excision to empiric topical interferon alpha-2b (IFN-α2b).MethodsA decision model was constructed to determine which of 4 treatment strategies minimized expected persistence/recurrence of disease in patients with OSSN: excision followed by repeat excision for positive surgical margins, excision followed by IFN-α2b for positive margins, incisional biopsy followed by IFN-α2b for positive biopsies, and empiric treatment with IFN-α2b. Probabilities were estimated from literature published between 1983 and 2015. Expected values for the probability of recurrence could range from 0 (no persistence/recurrence) to 1 (persistence/recurrence). Sensitivity analyses were performed for each variable.ResultsExcision followed by IFN-α2b for positive margins was estimated to minimize persistence/recurrence of OSSN (expected value 0.13 versus 0.17 for empiric IFN-α2b, 0.22 for excision-only, and 0.30 for incisional biopsy-directed IFN-α2b). The optimal strategy was sensitive to 3 variables: efficacy of IFN-α2b, recurrence after negative surgical margins, and accuracy of excisional biopsy.ConclusionsIn our decision analysis using studies published between 1983 and 2015, surgical excision followed by IFN-α2b for positive margins is the favored strategy for minimizing persistence/recurrence of OSSN. Future prospective studies would add to the certainty of these conclusions.

ABSTRACT Objective: To describe ocular surface findings in impression cytology obtained from healthy rabbit conjunctiva treated with interferon alpha-2b eyedrop, and compare them to findings after use of mitomycin C 0.02%. Methods: An experimental study using a rabbit model was performed between September 2013 and October 2014 at the Faculdade de Medicina de Marília, Universidade Federal de São Paulo, Clínica de Olhos Moacir Cunha. Thirty New Zealand white rabbits were divided into 6 groups and received interferon alpha-2b or mitomycin C 0.02%. Impression cytology (IC) was performed prior to topical applications and at15, 30 and 60 days of use. The following variables were analyzed in impression cytology: goblet cells, cellularity, cell-to-cell adhesion, nucleus/cytoplasm ratio, nuclear chromatin, inflammatory cells keratinization, and cytomegaly. Results: The major findings in impression cytology after us of interferon alpha-2b included loss of goblet cells (50.8%), reduced cell-to-cell adhesion (26.2%), abnormal nucleus/cytoplasm ratio (20%) and reduced cellularity (15.4%). After use of mitomycin C 0.02%, the most common changes included loss of goblet cells (46.2%), abnormal nucleus/cytoplasm ratio (25.6%), less cell-to-cell adhesion (23.1%), and reduced cellularity (20.5%). There were no significant differences in any variable when comparing impression cytology after interferon alpha-2b and after mitomycin C 0.02%. Goblet cell loss was more pronounced at days 30 and 60, as compared to impression cytology at day 15 for both drugs. Conclusion: The loss of goblet cells, reduced cell-to-cell adhesion and cellularity, along with abnormal nucleus/cytoplasm ratio were the most common findings in impression cytology after use of interferon alpha-2b. These findings are similar to those described for use of mitomycin C 0.02%. ..

Objective: To describe ocular surface findings in impression cytology obtained from healthy rabbit conjunctiva treated with interferon alpha-2b eyedrop, and compare them to findings after use of mitomycin C 0.02%. Methods: An experimental study using a rabbit model was performed between September 2013 and October 2014 at the Faculdade de Medicina de Marília, Universidade Federal de São Paulo, Clínica de Olhos Moacir Cunha. Thirty New Zealand white rabbits were divided into 6 groups and received interferon alpha-2b or mitomycin C 0.02%. Impression cytology (IC) was performed prior to topical applications and at15, 30 and 60 days of use. The following variables were analyzed in impression cytology: goblet cells, cellularity, cell-to-cell adhesion, nucleus/cytoplasm ratio, nuclear chromatin, inflammatory cells keratinization, and cytomegaly. Results: The major findings in impression cytology after us of interferon alpha-2b included loss of goblet cells (50.8%), reduced cell-to-cell adhesion (26.2%), abnormal nucleus/cytoplasm ratio (20%) and reduced cellularity (15.4%). After use of mitomycin C 0.02%, the most common changes included loss of goblet cells (46.2%), abnormal nucleus/cytoplasm ratio (25.6%), less cell-to-cell adhesion (23.1%), and reduced cellularity (20.5%). There were no significant differences in any variable when comparing impression cytology after interferon alpha-2b and after mitomycin C 0.02%. Goblet cell loss was more pronounced at days 30 and 60, as compared to impression cytology at day 15 for both drugs. Conclusion: The loss of goblet cells, reduced cell-to-cell adhesion and cellularity, along with abnormal nucleus/cytoplasm ratio were the most common findings in impression cytology after use of interferon alpha-2b.These findings are similar to those described for use of mitomycin C 0.02%. .. [ABSTRACT FROM AUTHOR]

The rarity of conjunctival melanoma has impeded progress in the management of patients with this cancer; however, much progress has occurred in recent years. Primary acquired melanosis is now differentiated histologically into hypermelanosis and conjunctival melanocytic intra-epithelial neoplasia, for which an objective reproducible scoring system has been developed. Mapping and clinical staging of conjunctival disease has improved. Adjunctive radiotherapy and topical chemotherapy have made tumour control more successful, with reduced morbidity. Genetic analyses have identified BRAF and other mutations, which may predict responsiveness to new chemotherapeutic agents, for example Vemurafenib, should metastatic disease develop. Multicentre studies are under way to enhance survival prediction by integrating clinical stage of disease with histological grade of malignancy and genetic abnormalities. Such improved prognostication would not only be more relevant to individual patients, but would also provide greater opportunities for basic science research.

Purpose: To analyze the efficacy, safety and cost-effectiveness of adjuvant therapy with 5-fluorouracil (5-FU) compared to interferon α-2b (IFNα-2b) after surgery in ocular surface squamous neoplasia (OSSN)., Methods: Retrospective study that included patients diagnosed with OSSN, who underwent surgical excision followed by adjuvant therapy with IFN α-2b (Group A) or 5-FU (Group B), in a tertial referral hospital. Clinical data collected included: demographics, risk factors, appearance, size and location of the lesions, slit-lamp examination, anterior segment optical coherence tomography, iconography and histological classification of subtypes of OSSN. Costs derived from surgery and adjuvant therapy were noted. Resolution of the lesion, recurrences and adverse events were studied. Cost-effectiveness analysis was performed with the incremental cost-effectiveness index (CEI)., Results: 54 cases of 54 patients were included, with a mean age of 74.4 years (range 28-109). 30 were male (55.6%), and predominantly Caucasian (79.6%). The main risk factor was prolonged sun exposure (79.6%). Leukoplakic appearance (48.1%), location in bulbar conjunctiva (48.2%) and T3 (46.3%) stage were the most common clinical features. Histologically, the percentage of CIN I, CIN II, CIN III and SCC were 25.9%, 29.6%, 40.7% and 3.7%, respectively. Complete resolution was obtained in 74.1% and tolerance was overall positive. The cost was significantly higher for IFNα (1025€ ± 130.68€) compared to 5-FU (165.57€ ± 45.85 €) (p 0.001). The CEI was - 247.14€., Conclusions: Both 5-FU and IFN α-2b are effective and present a good security profile as adjuvant therapies after surgery in OSSN. Although presenting slightly more ocular complications, 5-FU can be considered more cost-effective than IFN α-2b., (© 2024. The Author(s), under exclusive licence to Springer Nature B.V.)

BackgroundThere has been substantial growth in the numbers of patients with conjunctival squamous cell carcinoma infected with HIV in East Africa. The natural history of the conjunctival squamous cell carcinoma appears to be unique in this region of the world, but the etiologic mechanism unclear and therapeutic options limited. This research was carried out to determine if conjunctival squamous cell carcinoma harbors human papillomavirus DNA and is associated with activation of the EGFR signaling pathway. Positive findings would identify etiologic causes and provide clinical guidance to improve treatment.Methods/findingsExpression of p-MAPK/MAPK, p-Akt/Akt and p-EGFR/EGFR in cell nuclei and cytoplasm of 38 FFPE specimens were assessed by immunohistochemistry; HPV genotype was detected by qPCR assay; EGFR mutation was assessed by DNA sequencing analysis; and EGFR mRNA expression was measured using relative qPCR. Statistical analyses included two-sided Fisher exact test or chi-square test, Spearman correlation coefficient and ANOVA. HPV 18 was found in 61% of samples, with HPV 16 double-genotype in 6 patients (16%). Immunohistochemistry and qPCR data suggest that activation and expression of the EGFR signaling pathway is related to disease progression of conjunctival cancer. The associations between cytoplasmic p-MAPK, cytoplasmic p-Akt and tumor invasiveness were significant (p = 0.05 or 0.028). Nuclear p-EGFR appeared only in invasive tumors. A significant positive association between EGFR expression and disease invasiveness was observed (p = 0.01). A SNP in 10 patients and one missense mutation were found within EGFR tyrosine kinase domain. Statistical analysis indicates that patients with measurable EGFR expression more likely harbor EGFR mutations, compared to those with negative EGFR expression (35.3% vs. 0%).Conclusions/significanceWe conclude that HPV types 16/18 infection is frequent in East African patients with AIDS-associated squamous cell carcinoma of the conjunctiva. EGFR activation/alteration may contribute to and sustain the high prevalence of this cancer. Our findings hint that adoption of HPV vaccination strategies may impact the incidence of conjunctival carcinoma. Agents that target the EGFR pathway may have potential therapeutic benefit.

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Objective: To determine the safety and efficacy of perilesional human recombinant interferon alpha-2b (IFNα2b) for treatment of periocular squamous cell carcinoma (PSCC) in horses., Animals Studied: Eleven horses (12 eyes) with PSCC were enrolled in this prospective clinical study with owner consent., Procedures: Systemically healthy horses were included in the study following confirmation of PSCC via biopsy. Every two weeks for a maximum of six treatments, horses were sedated and perilesional injection of IFNα2b (10 million IU) was performed. Tumors were measured prior to each injection and at one, three, and 12 months after treatment completion. A greater than 50% reduction in tumor size was considered positive response to treatment (i.e., partial or complete response). Development of anti-IFNα2b antibodies was assessed using serum samples obtained after treatment initiation and compared with treatment responses. Antibody concentrations were analyzed using a mixed model. Statistical significance was considered p < 0.05., Results: Each horse received four to six perilesional injections of IFNα2b. Five of 12 eyes (4/11 horses) responded to treatment. Two of five eyes showed complete resolution of gross PSCC. No systemic adverse effects were seen. Local swelling occurred during treatment protocol in 6/11 horses but resolved without intervention. All horses developed serum anti-IFNα2b antibodies. There was no evidence of statistical difference in antibody concentration between responders and non-responders., Conclusions: Perilesional administration of IFNα2b was found to be well-tolerated in horses with PSCC, and induced tumor regression in 42% of treated eyes. Treatment failure appears unrelated to the development of IFNα2b antibodies., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2024 Martabano et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

Introduction: Epidemiological studies of ocular melanomas have largely focused on Caucasian populations. This study reviewed the course and outcomes of uveal melanoma (UM) and conjunctival melanoma (CM) in Chinese patients., Methods: This retrospective study included patients with UM and CM who received treatment in a tertiary eye centre in Hong Kong from January 1994 to December 2019. Data were recorded concerning patient demographics, tumour laterality, tumour characteristics, investigations performed, treatment regimen, and final outcomes., Results: During the 25-year study period, there were 13 patients with UM and 11 patients with CM who did not display nodal or systemic involvement at diagnosis. The mean ± standard deviation ages at diagnosis of UM and CM were 59 ± 15.8 and 57 ± 13.9 years, respectively. There were more men among patients with UM than among those with CM (P=0.042). Most patients with UM underwent primary enucleation (n=12; 92.3%), whereas most patients with CM underwent orbital exenteration (n=9; 81.8%). The prognosis was significantly worse for CM than for UM. The median disease-free survival were 5.2 years (range, 0.7-20.5) and 2.1 years (range, 0.1-24.9) for UM and CM, respectively. Melanoma-related mortality was significantly higher among patients with CM than among those with UM (P=0.006)., Conclusion: Compared with UM, CM has higher rates of systemic metastasis and tumour-related mortality in Hong Kong Chinese patients, regardless of prior definitive treatment., Competing Interests: All authors have disclosed no conflicts of interest.

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Background/purpose: To describe the clinical and histologic characteristics of ocular surface squamous neoplasia (OSSN) and evaluate factors significant in recurrence at a university hospital in North Taiwan.Methods: Patient charts, clinical features, and pathology records were retrospectively reviewed in patients with pathology-proved OSSN from January, 1994 to December, 2014. Clinicopathologic correlation was analyzed.Results: Thirty-six patients were recruited. Mean age was 63.4 ± 13.0 (ranging from 23 to 87) years old. OSSN was predominant in men (21/36). Clinical appearances included papilliform in 17 eyes, gelatinous in 11 eyes, leukoplakic in 3 eyes, and 5 eyes in corneal intraepithelial neoplasia (CIN). Of 31 conjunctival OSSN, there were 4 in CIN I, 11 in CIN II, 13 in CIN III, and 3 in squamous cell carcinoma. Superior location was associated with higher-grade OSSN. Although statistical analysis was not significant, papilliform and multifocal lesions showed a trend of high-grade OSSN. The stages of tumor were 4, 5, 26, and 1 eye(s) in T1 to T4, respectively. Recurrence of disease occurred in 9 cases (25%) with mean recurrence time of 20.6 (range: 4 to 65) months. Multifocal lesion has a higher tendency for recurrence.Conclusion: Superior location was associated with high-grade OSSN, and papilliform OSSN might have a tendency of severe and invasive lesions. Multifocal lesions might be associated with higher-grade OSSN and higher recurrence rates. [ABSTRACT FROM AUTHOR]

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Introduction: Conjunctival neoplasms span from benign lesions to life-threatening malignancies. A wide range of treatment modalities has been developed, spanning from observation, simple excision and topical chemotherapy to advanced surgical techniques combined with adjuvant therapies including cryotherapy, topical and systemic chemotherapy, immune-modulating agents, anti-viral therapy, and radiotherapy. Areas covered: This review provides an overview of treatment modalities employed in conjunctival neoplasms as well as management guidelines for selected groups of conjunctival tumors. A literature search was performed using the keywords ‘Conjunctival neoplasms’ [MeSH], ‘Conjunctival AND neoplasia’, ‘Conjunctiva AND neoplasia’, ‘Conjunctival tumors’ in combination with ‘Chemotherapy’, ‘Topical chemotherapy’, ‘Mitomycin C’, ‘5-fluorouracil’, ‘Interferon alpha 2b’, ‘anti-VEGF’, ‘Brachytherapy’, ‘Radiation’, ‘Radiotherapy’, ‘Cryotherapy’, ‘Surgery’, ‘Systemic chemotherapy’, and ‘Lymphoma’. Expert commentary: The efficacy of the different adjuvant therapies is debated. However, there is no doubt that adjuvant therapy reduces the risk of recurrence. Therefore, we recommend that ocular oncologists use an adjuvant therapy together with surgery for conjunctival melanoma. The treatment of malignant conjunctival tumors should be centralized in each country and placed in a few hands. This, combined with large multicenter studies, will provide valuable new information, benefit our patients, and improve the prognosis in the future. [ABSTRACT FROM PUBLISHER]