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Pyogenic granuloma is a common, benign, vascular growth that often appears as a rapidly growing mass on mucus membrane-lined surfaces such as the conjunctiva. Conjunctival pyogenic granulomas are common following trauma, burst chalazion or ill-fitting prosthesis. Also known as 'lobular capillary hemangiomas', these lesions typically appear bright red, fleshy and pedunculated. Treatment options include excision, topical steroid therapy and topical beta-blocker therapy. In this communication, the authors describe a rapidly enlarging, pedunculated black coloured conjunctival mass lesion in a 44-year-old woman, who had a recent history of chalazia. Given the location and the clinical appearance, a melanocytic tumour was suspected and the mass was excised. Histopathology and immunohistochemical studies confirmed the diagnosis to be consistent with that of a a necrotic pyogenic granuloma. Pigmented lesions of the conjunctiva, especially rapidly enlarging ones, need to be viewed with a high degree of suspicion to rule out malignant melanoma. Rarely though, benign lesions such as pyogenic granulomas that undergo necrosis may masquerade as conjunctival melanomas.

A 57-year-old male complained of painless swelling in the left eye upper lid for 5 months and increasing in size for 2 months. On examination, a round well-defined, firm swelling, nontender measuring 5 mm horizontally and 7 mm vertically above the lid margin in lateral part of the upper eyelid with small yellowish pustule at the lid margin corresponding to the site of lesion. The architecture of the lid and lid margin was maintained, no telangiectasia and there were no loss of eyelashes. A provisional diagnosis of marginal chalazion was made. Then incision and curettage were done. Biopsy showed invasive meibomian gland carcinoma with malignant sebocytes, numerous mitoses, and necrosis. Later, wide excision with reconstruction by tenzels flap done after edge clearance. Sebaceous gland carcinoma though rare is an aggressive tumor, and is a great mimicker of many benign conditions leading to diagnostic difficulty. Hence thinking beyond chalazion is necessary in old age, recurrent chalazion, unilateral blepharitis, keratoconjunctivitis should arise suspicion to decease the morbidity and mortality associated with the tumor.

Introduction and importance Primary mucinous adenocarcinoma (PMA) of the skin is a rare condition that is usually seen in elderly patients, most commonly involves the periorbital region as a slow growing mass. Histopathological and immunohistochemical (IHC) stains are of paramount importance for the diagnosis of these lesions, which are usually misdiagnosed either as benign or metastatic mucinous adenocarcinomas. Case presentation We herein report a rare presentation of PMA in a 70-year-old male patient who presented with an upper eyelid residual lesion after being incompletely excised elsewhere as an epidermal cyst and was successfully managed by complete surgical excision with frozen section control of the margins and no evidence of recurrence. Discussion PMA is a rare sweat gland malignancy that involves the eyelid in 41.9% in the head and neck area and is a disease of the elderly with median age of 60 years and variable reported racial and gender predilection. Diagnosis of PMA is challenging both clinically and histopathologically, which was the case in our patient's initial incomplete excision with the presumed diagnosis of a benign epidermal cyst. Proper final tissue diagnosis and surgical management in our patient ensured his favorable outcome. Conclusion Accurate diagnosis of PMA requires a high index of clinical suspicion and accurate histopathological diagnosis aided by proper IHC markers., Highlights • Primary mucinous adenocarcinoma (PMA) is a rare cutaneous sweat gland malignancy. • A 70-year-old male with eyelid PMA was misdiagnosed clinically elsewhere as an epidermal cyst. • He underwent surgical re-excision of the tumor with frozen section control of margins. • The diagnosis of PMA is challenging, and proper surgical complete excision is necessary.

Background Epibulbar complex choristoma, a rare congenital epibulbar tumor, has many diverse forms. Reviewing the literature, it can present clinically as either a circumferential or isolated epibulbar mass, limbal tumor, lateral canthal mass, aggregate of ectopic cilia in the upper eyelid, eyelid mass mimicking chalazion, or lacrimal caruncle mass. The management depends on the extent of involvement, the risk of amblyopia, and cosmetic concerns. Here, we report an atypical presentation of epibulbar complex choristoma with simultaneous eyelid involvement. Case presentation A 1-month-old full-term boy was brought to our clinic with congenital epibulbar mass of the right eye with simultaneous eyelid involvement. Dilated fundus examination was unremarkable. Survey for linear nevus sebaceous Jadassohn was negative. Due to concerns of possible amblyopia and cosmetics, lamellar keratectomy, sclerotomy, and conjunctivoplasty were performed to remove the epibulbar lesion. The eyelid defect was reconstructed with 6–0 Vicryl sutures. Histopathological examination reported complex choristoma. Upon three-year follow-up, low astigmatism and favorable cosmetics results were achieved. Conclusions Congenital complex choristoma can present clinically as an epibulbar mass with eyelid involvement. The management depends on the extent of involvement, the risk of amblyopia, and cosmetic concerns. The method of eyelid reconstruction should be tailored according to the residual eyelid defect.

Purpose: To report a rare case of solitary eyelid schwannoma in a Thai child without clinical manifestation of neurofibromatosis. Observations: A 9-year-old Thai boy presented with an isolated painless mass on the left lower eyelid. The mass had gradually grown for 2 years. He denied a history of trauma or previous eyelid surgery. A clinical examination revealed no clinical features of neurofibromatosis. The provisional diagnosis at that time was a sebaceous cyst. However, excisional biopsy showed an encapsulated tumor characterized by interlaced spindle-celled fasciculi with focal palisading of nuclei arranging in Antoni A and Antoni B patterns. The immunocytochemistry was strongly positive for S-100 protein reaction. The diagnosis of schwannoma was made, with no recurrence at. Conclusions and importance: Schwannoma of the eyelid is extremely rare in children, accounting for less than 0.1% of all eyelid tumors. Combined with clinical features, histopathologic and immunohistochemical analyses emphasize the disease entities. These findings may extend the knowledge on experiences of schwannoma in children. Keywords: Childhood, Eyelid tumor, Schwannoma, Antoni A and B, S-100 protein reaction

Most canine tumors of the eyelid are tumors generally encountered in the skin. They are most commonly of epithelial origin and benign. In this report, we describe the cases of two sibling Czech wolfdogs presented, one year apart, with a subcutaneous mass involving the left eyelid. Both lesions were histologically consistent with a diagnosis of subcutaneous fibrosarcoma. Immunohistochemical analyses of the tumors revealed a mild positivity for vimentin and negativity for GFAP, desmin, αSMA, myoglobin, S100, PNL2 and calponin, excluding all differential diagnosis (i.e. peripheral nerve sheath tumor, melanoma, perivascular sarcoma, myofibroblastic sarcoma, rhabdomyosarcoma). To the best of authors’ knowledge, this is the first report of canine eyelid fibrosarcoma. Since this rare tumor has been observed in two full siblings, we could speculate the existence of some genetic predisposition to sarcoma, however the present data did not allow any definite conclusion on the etiopathogenesis or genetic basis of these tumors.Keywords: Dog, Eyelid tumor, Sarcoma, Siblings.

Many types of eyelid tumors may easily be diagnosed from a clinical point of view. However only a small number of large studies exist exploring the frequency of eyelid lesions from different regions. According to the epidemiology of various eyelid lesions happened in Yogyakarta Special Region, this study was aimed to investigate the prevalence of eyelid tumors in Yogyakarta Special Region. A total of 94 patients were enrolled in a descriptive study. The data were taken retrospectively from the medical record. All patients were diagnosed with eyelid tumors from January 2014 until December 2017 by histopathological examination. Among the subjects, 56 (59.6%) were male and 38 (40.4%) were female. There was no difference found in laterality (OD 46% vs OS 50%). Sebaceous carcinoma was found in 15 (16%) patients, followed by squamous cell carcinoma (SCC) 13 (13.8%), basal cell carcinoma (BCC) 11 (11.7%), epidermoid cyst 7 (7.4%), non-Hodgkin lymphoma 7 (7.4%), and others. We also found that 11 (11.7%) of patients showed an inflammation appearance only. The therapy was varied from extirpation and biopsy (39.4%), wide excision (27.7%), excision and biopsy (18.1%), exenteration (10.6%), and also anterior and lateral orbitotomy (2.1%) for each procedure. The eyelid tumor was found equally in the right and the left eye. Sebaceous carcinoma followed by SCC and BCC were the most common eyelid tumor found in this study. A further study is needed to determine the risk factor of each tumor.

Background Fibrofolliculoma is a benign, perifollicular, connective tissue tumor, and it usually arises in the form of multiple lesions, but rarely as a solitary lesion. We report a case of solitary fibrofolliculoma on the eyelid. Case presentation A 68-year-old female presented with an asymptomatic mass on the right upper eyelid. The lesion appeared as a flesh-colored, dome-shaped, smooth nodule being the size of 5 × 5 × 4 mm, with eyelashes protruding from the surface, and located on the upper lid margin. Shave excision was performed, and the diagnosis of fibrofolliculoma was confirmed finally through histological exam. Conclusions Solitary fibrofolliculomas rarely arises on the eyelid. However, it should be suspected when a flesh-colored and doom-shaped lesion of the eyelid is encountered. The benign tumor on the lid margin can be removed by shave biopsy.

Background Eyelid masses are the most common ocular diseases in dogs. However, there are no studies specifically investigating the location of eyelid masses. Methods 118 dogs with 119 eyelid masses were included. Medical records and pathology reports were retrospectively reviewed at National Taiwan University veterinary hospital and Vision Eyecare Centre for Animals between 2012 and 2017. Results Mean age of dogs was 9.4±2.5 years. Female spayed dogs had significantly higher prevalence of eyelid mass than female intact dogs (p

Neurofibroma, a benign peripheral nerve sheath tumor, usually appears together with cafe-au-lait spots, iris nodules, and other tumors within the scope of neurofibromatosis von Recklinghausen type 1 tumors. A solitary neurofibroma of the eyelid is relatively rare. In this case report, we present a 39-year-old woman who had a lesion on the eyelid crease, previously treated as a chalazion. Due to persistent wound crusting, the lesion was excised above the tarsus. Pathological examination revealed a solitary neurofibroma. The patient did not have other clinical symptoms of neurofibromatosis, and there was no recurrence of the nodule during the 1-year follow-up.

PURPOSE: Data on basal cell carcinoma (BCC) from the Middle East are deficient. We present the features and management outcomes for BCC over the last 36 years in Saudi Arabia. SUBJECTS AND METHODS: This retrospective chart review included BCC patients diagnosed and treated at Saudi Arabia between 1980 and 2016. Data were collected on patient demographics, clinical and histopathological characteristics of the lesions, management, and follow-up. RESULTS: One hundred and twenty-six patients with BCC were included in this study. The incidence of BCC in Saudi Arabia is 0.8 cases a year. The median age of the patients was 71 years. BCC affected 58.9% of males. The lower lid was the most common site of occurrence (52.7%). Clinically, BCC was most commonly recognized as a mixed lesion (41.1%) and 50.4% were histologically nodular. Risk factors for poor prognosis included tumor localization in the medial aspect of the lid, tumor size > 5 mm, histological subtype being ulcerative or morphea forms, affected margins, and recurrent lesions. CONCLUSION: BCC is a rare condition in Saudi Arabia. The clinical features and histopathology of BCC in Saudi Arabia are similar to the patterns observed in other regions of the world. Early detection and timely management mitigates the extensive destructive ocular/orbital damage due to BCC and results in better patient outcomes.

A 63-year-old woman presented with a large, ulcerokeratotic mass in her right lower eyelid that had grown over the last 2 months in a burn scar. She had experienced a thermal burn involving both inferior periorbital areas 35 years ago and received medical treatment. The lesion was excised with wide margins. The histologic diagnosis was squamous cell carcinoma. No recurrence was observed during a 22-month follow up. In the previous literature, a total of 10 cases of eyelid burn scar neoplasm, of which 9 were basal cell carcinoma, have been reported. To the authors' knowledge, this is the first reported case of thermal burn-related squamous cell carcinoma of the eyelid.

Rationale: Though giant malignant tumors arising in the eyelid are rare, they often require extensive surgery for removal along with orbital exenteration. Because of this, repairing orbital defects is an important factor in the surgical strategy. Patient concerns: Case 1 was a 78-year-old nomad man who presented in the Department of Ophthalmology with a giant tumor in his right eyelid, which had developed over three years. Clinical examination revealed a huge pigmented, nonhealing ulcerated lesion, approximately 52×44×40 mm3 in size. Case 2 was a 52-year old rural male complaining of a huge tumor in the right eyelid. Patient medical history revealed that the mass was initially the size of a soybean and gradually grew over 3 years to the size of a fist. Diagnoses: Histopathological examination of the tumors revealed that one was a basal cell carcinoma and the other a sebaceous gland carcinoma. Interventions: The two cases of giant malignant eyelid tumors were surgically excised using rapid frozen section margin control. Different pedicle myocutaneous flaps were used to repair the orbital skin defects. Outcomes: Postoperative follow-up showed perfect healing of the pedicle flaps and good patient compliance. The results of these cases indicate that covering exposed orbital cavities with composite pedicle mycuaneous flaps is a simple and practical strategy for orbital reconstruction. Not only does this help maintain orbital stability, but it also provides opportunities for patients to return to normal lives. Lessons: Although surgical management is often the first option for treatment of giant eyelid tumors, recurrence and mortality due to the tumors is still high after long-term follow-up. Therefore, early discovery and treatment is the best way to control the progression of giant eyelid tumors and enhance survivability.

Le carcinome épidermoïde verruqueux est une forme rare du carcinome épidermoïde et se caractérise par une malignité essentiellement locale. La localisation palpébrale est exceptionnelle. Nous rapportons le cas d'une patiente de 70 ans, suivi en consultation pour tumeur palpébrale volumineuse simulant un kératoacanthome de l’œil droit. La biopsie révèle un carcinome épidermoïde verruqueux. Une exérèse chirurgicale de la totalité de la tumeur avec reconstruction de la paupière ont été réalisées. On n'a pas noté de récidive pendant les 6 mois suivant le traitement chirurgical. Il s'agit du quatrième cas de carcinome épidermoide verruqueux à localisation palpébrale reporté dans la littérature.

Merkel cell carcinoma (MCC) is a rare cutaneous tumor and cases located in the eyelid have been described, but still its rarity may lead to difficulty in diagnosis and delay in treatment. A 51-year-old female patient that presented with large lesions in the eyelid underwent surgery after the diagnosis of acute chalazion. Following respiratory distress secondary to pulmonary metastasis, the patient's condition deteriorated and was not fit for complete excision treatment. Histopathological investigation of the biopsies, taken from the tumor, revealed that it was undifferentiated small cell carcinoma. Our aim with this paper is to point out that more cases should be reported for more effective diagnosis, histopathological study, clinical investigation, treatment and prognosis of this specific neoplasm.

Chondroid syringoma or pleomorphic adenoma of the skin is a rare tumor arising from the eccrine glands. It is an asymptomatic slow growing tumor. We report a case of chondroid syringoma of the lower eyelid margin and lateral canthus in a middle-aged man, which was excised. The lid was reconstructed by lateral cantholysis and advancement flap for lid reconstruction. A possible diagnosis of chondroid syringoma should be borne in mind when solitary, firm tumors of the lid are presented.