Inmunohistochemical detection of pandemic SARSCoV- 2 antigens in lung tissue.

The COVID-19 pandemic caused by the SARS-CoV-2 virus has generated globally more than 110.7 million infections and 2.4 million deaths.

Fibroblastic meningioma mimicking an intracerebral hemorrhage: case report.

A 50-year-old woman presented to the emergency room complaining of severe headache. A non-contrasted head CT was obtained, which demonstrated a hyperdense image compatible with an intracerebral hemorrhage in the posterior region of the left temporal lobe. The patient displayed no neurological deficit during the consultation and a subsequent MRI showed a temporoinsular bleeding lesion that was suggestive of an atypic meningioma or a metastatic lesion.

Do not Forget Burkitt´s Lymphoma! Unusual Case of Primary Malignant Lymphoma of the Prostate in a Young Patient.

Primary Burkitt´s lymphoma (BL) of the prostate is rare in the adolescent population. The etiology remains poorly understood. There has been some proposed associations to Epstein-Barr virus and HIV.

Locally-advanced primary neuroendocrine carcinoma of the breast: case report and review of the literature.

Background: Primary neuroendocrine carcinoma of the breast is a heterogeneous group of rare tumors with positive immunoreactivity to neuroendocrine markers in at least 50% of cells. Diagnosis also requires that other primary sites be ruled out and that the same tumor show histological evidence of a breast in situ component. Primary neuroendocrine carcinoma of the breast rarely presents as locally advanced disease and less frequently with such widespread metastatic disease as described herein.