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Uterine leiomyosarcoma (uLMS) is a rare and aggressive malignancy with poor clinical outcomes. Even when localized, uLMS is associated with high rates of local and distant recurrences that are usually fatal. Common sites of recurrence are lung, liver, pelvic lymph nodes, and vertebral and long bones, though atypical patterns of recurrence have been described. Among them, intracranial recurrence appears as a rare finding, almost exceptional in skull and dura. We describe the case of a solitary skull metastasis from uLMS in a 39-year-old woman, which represents the third reported case of skull recurrence in literature. After multidisciplinary discussion, the patient underwent surgery and received adjuvant radiotherapy. After 4 months, she is currently alive, without evidence of extracranial disease. This case highlights the importance of suspecting and recognizing atypical and extremely rare metastasis to this region. We encourage the need for large case series in order to provide further information about cranial recurrences of uLMS taking into account the paucity of data currently available in literature and the frequently unpredictable behavior of this rare and highly lethal disease.

BACKGROUND: Glioblastoma with multiple localizations (mGBMs) can be defined as multifocal, where enhancing lesions present a connection visible on magnetic resonance imaging fluid-attenuated inversion recovery imaging, or multicentric, in the absence of a clear dissemination pathway. OBJECTIVE: To evaluate the role of the extent of resection (EOR) in the treatment of mGBMs and its correlation with overall survival (OS) and progression free survival (PFS). METHODS: One hundred patients with mGBMs were treated at our Institution between 2009 and 2019. Clinical, radiological, and follow-up data were collected. EOR of the contrast-enhancing part of lesions was classified as gross total resection (GTR, absence of tumor remnant), subtotal resection (STR, residual tumor30%of the initial mass), and needle or open biopsy (residual tumor>75%of the initial mass). RESULTS: Approximately 15% of patients underwent GTR, 14% STR, 32% PR, and 39% biopsy. Median OS was 17 mo for GTR, 11 mo for STR, 7 mo for PR, and 5 mo for biopsy. Greater EOR was associated with a significantly longer OS than biopsy. GTR and STR were associated with a longer PFS in Kaplan-Meier survival analyses. After adjusting for age, Karnofsky performance status (KPS), number of lesions, and adjunctive therapy in multivariable Cox regression analyses, GTR, STR, and PR were still associated with OS, but only GTR remained associated with PFS. CONCLUSION: Our study suggests that EOR may positively influence survival of patients with mGBM. Surgical resection can be a reasonable option when performance and access to adjuvant treatment can be preserved.

Background: Clinical and molecular factors are essential to define the prognosis in patients with glioblastoma (GBM). O6-methylguanine-DNA methyltransferase (MGMT) methylation status, age, Karnofsky Performance Status (KPS), and extent of surgical resection are the most relevant prognostic factors. Our investigation of the role of gender in predicting prognosis shows a slight survival advantage for female patients. Methods: We performed a prospective evaluation of the Project of Emilia Romagna on Neuro-Oncology (PERNO) registry to identify prognostic factors in patients with GBM who received standard treatment. Results: A total of 169 patients (99 males [58.6%] and 70 females [41.4%]) were evaluated prospectively. MGMT methylation was evaluable in 140 patients. Among the male patients, 36 were MGMT methylated (25.7%) and 47 were unmethylated (33.6%); among the female patients, 32 were methylated (22.9%) and 25 were unmethylated (17.9%). Survival was longer in the methylated females compared with the methylated males (P = 0.028) but was not significantly different between the unmethylated females and the unmethylated males (P = 0.395). In multivariate analysis, gender and MGMT methylation status considered together (methylated females vs. methylated males; hazard ratio [HR], 0.459; 95% confidence interval [CI], 0.242-0.827; P = 0.017), age (HR, 1.025; 95% CI, 1.002-1.049; P = 0.032), and KPS (HR, 0.965; 95% CI, 0.948-0.982; P < 0.001) were significantly correlated with survival. Conclusions: Survival was consistently longer among MGMT methylated females compared with males. Gender can be considered as a further prognostic factor.

2017 Background: Molecular characterization of low grade gliomas (LGG) is essential for diagnosis and treatment of these diseases. LGG patients (pts) with IDH mutation and 1p19q codeletion (codel) are characterized by a median OS (mOS) longer than 10 years. Thus, the role of treatments and side effects should be carefully evaluated. Methods: We evaluated LGG pts from our data warehouse (n=679 pts) who received surgery and had sufficient tissue to assess biomarkers characterization. Pts with gliomatosis were excluded. IDH1/2 assessment was performed on formalin-fixed paraffin-embedded samples by qPCR. In wild type cases we performed NGS. 1p/19 codel analysis was performed by FISH. Results: 93 consecutive LGG with IDH mutation and codel were included. The median follow up (FU) was 96.1 months. Mean age was 40 yrs (range: 25-66); 8 pts (8.6%) underwent biopsy, 61 pts (65.6%) partial resection, 24 pts (25.8%) complete resection. 84 pts (90.3%) were considered high risk using RTOG criteria (>40 years and/or incomplete resection). Fifty pts (53.7%) received only FU, 17 pts (18.3%) received chemotherapy (CT), 18 pts (19.4%) received radiotherapy (RT), 8 pts (8.6%) received RT + CT. Median PFS (mPFS) was 59.6 months (95%CI: 41.8-77.4) and was significantly longer in pts who received postsurgical treatments (79.5 months, 95%CI: 66.4-92.7) than pts who received FU (46.3 months, 95%CI: 36.0-56.5; P=0.001). mPFS was 50.8 months (95%CI: 17.4-84.3), 103.6 months (95%CI: 11.7-195.6) and 120.2 months (95%CI: 40.5-199.8) in pts treated with CT alone, RT alone and RT + CT, respectively. Multivariate analysis showed that receiving a post-surgical treatment (P

Neurosurgery-Neurotraumatology Unit, Emergency Department, University Hospital of Parma, Parma, Italy Emergency Neurosurgery Unit, Neuromotor Department, IRCCS “Arcispedale Santa Maria Nuova” of Reggio Emilia, Reggio Emilia, Italy Clinic of Neurosurgery, Department of Neurological Sciences, Polytechnic University of Marche, Ancona, Italy Neuroradiology Unit, Diagnostic Imaging and Laboratory Medicine Department, IRCCS, “Arcispedale Santa Maria Nuova” of Reggio Emilia, Reggio Emilia, taly

PrimaryCentralNervousSystemLymphoma(PCNSL) is anextraodal Non-Hodgkin Lymphoma (NHL) that arises in the brain arenchyma, eyes, meninges, or spinal cord in the absence of lymhoma outside of the CNS at the time of the diagnosis. Pure primary leptomeningeal lymphoma (PLML) is a subtype f PCNSL, it represents less than 0.1% of all NHL. Primary dural ymphoma (PDL) is a subentity of PLML and it is described as dura ater involvement with no systemic disease. PDL represents less han 1% of all brain lymphomas. The diagnosis of PDL is very difcult because the imaging appearance usually is of an extra-axial ass mimicking a meningioma [1] or a hematoma [2,3]. We report case of PDL with immunophenotype of chronic lymphocytic eukemia/small lymphocyte lymphoma (CLL/SLL), which was iniially clinically diagnosed as a chronic extradural hematoma (EDH). n literature this is the third case of PDL mimicking hematoma and he seventh case of primitive CLL/SLL of the dura.

Serum active matrix metalloproteinase (MMP)-9 and -2 levels and their tissue inhibitors TIMP-1 and -2 were measured in 28 patients with spontaneous intracerebral hemorrhage (SICH) at 24 h, 48 h and 7 days after bleeding. Perihematomal edema volume was calculated on non-enhanced computed tomography scans by using the formula AxBxC/2 at the same time points. Mean levels of serum active MMP-9 and MMP-2, as well as perihematomal edema volume, were significantly different over time (p0.0001). In comparison to values observed at 24 h, serum active MMP-9 mean concentrations increased at 48 h and reached their peak at 7 days, serum active MMP-2 mean levels progressively declined at 48 h and at 7 days, whereas perihematomal edema volume increased at 48 h and at 7 days. Perihematomal edema volume was positively correlated with active MMP-9 and MMP-2 at 24 h (p0.02 and p0.05, respectively) and with active MMP-9 at 48 h (p0.05), but was inversely correlated with active MMP-2 at 7 days (p0.02). These findings suggest a different involvement of active MMP-9 and MMP-2 in perihematomal-associated inflammatory response occurring in the transition from acute to subacute phases after SICH.

Serum levels of sHLA-G (sHLA-G1/HLA-G5) antigens and their soluble isoforms, sHLA-G1 and HLA-G5, were measured by ELISA in 22 patients with spontaneous intracerebral hemorrhage (SICH) at 24 h, 48 h and 7 days after bleeding. The perihematomal edema volume was calculated on non-enhanced computed tomography scans using the formula AxBxC/2 at the same time points. The mean serum concentrations of sHLA-G1/HLA-G5 and sHLA-G1 as well as the perihematomal edema volume changed significantly over time (p0.0001, p0.001 and p0.0001, respectively), whereas no statistical differences were found in serum HLA-G5 concentrations over the course of the experiment. In comparison to the values found at 24 h, sHLA-G1/HLA-G5 and sHLA-G1 increased at 48 h and then decreased at 7 days, whereas the perihematomal edema volume was more elevated at 48 h and, to a lesser extent, at 7 days. A positive correlation was detected between mean serum sHLA-G1/HLA-G5 and sHLA-G1 levels and perihematomal edema volume at 24 h (p0.02) and at 48 h (p0.01). Our results may indicate a role for sHLA-G in inflammatory mechanisms related to SICH, where these proteins probably act as anti-inflammatory molecules and are predominantly produced as the sHLA-G1 isoform.

Serum levels of sHLA-G (sHLA-G1/HLA-G5) antigens and their soluble isoforms, sHLA-G1 and HLA-G5, were measured by ELISA in 22 patients with spontaneous intracerebral hemorrhage (SICH) at 24 h, 48 h and 7 days after bleeding. The perihematomal edema volume was calculated on non-enhanced computed tomography scans using the formula A×B×C/2 at the same time points. The mean serum concentrations of sHLA-G1/HLA-G5 and sHLA-G1 as well as the perihematomal edema volume changed significantly over time (p < 0.0001, p < 0.001 and p < 0.0001, respectively), whereas no statistical differences were found in serum HLA-G5 concentrations over the course of the experiment. In comparison to the values found at 24 h, sHLA-G1/HLA-G5 and sHLA-G1 increased at 48 h and then decreased at 7 days, whereas the perihematomal edema volume was more elevated at 48 h and, to a lesser extent, at 7 days. A positive correlation was detected between mean serum sHLA-G1/HLA-G5 and sHLA-G1 levels and perihematomal edema volume at 24 h (p < 0.02) and at 48 h (p < 0.01). Our results may indicate a role for sHLA-G in inflammatory mechanisms related to SICH, where these proteins probably act as anti-inflammatory molecules and are predominantly produced as the sHLA-G1 isoform.

Serum active matrix metalloproteinase (MMP)-9 and -2 levels and their tissue inhibitors TIMP-1 and -2 were measured in 28 patients with spontaneous intracerebral hemorrhage (SICH) at 24 h, 48 h and 7 days after bleeding. Perihematomal edema volume was calculated on non-enhanced computed tomography scans by using the formula AxBxC/2 at the same time points. Mean levels of serum active MMP-9 and MMP-2, as well as perihematomal edema volume, were significantly different over time (p < 0.0001). In comparison to values observed at 24 h, serum active MMP-9 mean concentrations increased at 48 h and reached their peak at 7 days, serum active MMP-2 mean levels progressively declined at 48 h and at 7 days, whereas perihematomal edema volume increased at 48 h and at 7 days. Perihematomal edema volume was positively correlated with active MMP-9 and MMP-2 at 24 h (p < 0.02 and p < 0.05, respectively) and with active MMP-9 at 48 h (p < 0.05), but was inversely correlated with active MMP-2 at 7 days (p < 0.02). These findings suggest a different involvement of active MMP-9 and MMP-2 in perihematomal-associated inflammatory response occurring in the transition from acute to subacute phases after SICH.

Multicentric glioblastoma is a uncommon brain malignant tumour. We report the case of a 43-years-old woman, born in Ukraine and living in Italy, who manifested an initial isolated epileptic seizure and subsequent atypical psychiatric symptoms. Clinical neurological examination, Brain Computed Tomography and standard EEG examinations were negative at the moment of admission. A month later, she presented apathy, apraxia, psychomotor slowdown and expressive aphasia. A Magnetic Resonance Imaging examination showed a bi-frontal lesion. The patient underwent to two neurosurgical removals of the lesions: histological examination demonstrated the presence of a grade IV glioblastoma. Clinical onset, diagnostic and therapeutic problems are discussed. In case of atypical psychiatric presentation, it should be taken into consideration neoplastic, inflammatory or infective causes. Despite the absence of focal neurological signs and basal CT scan and EEG alterations, complementary imaging examinations, such as MRI and contrast enhancement CT, are necessary, especially when the conditions become quickly worse