The Ewing's Sarcoma Family of Tumors of Urinary Bladder: A Case Report and Review of the Literature.

Background: Only 15 cases of Ewing's Sarcoma (EWS) family of tumors of urinary bladder have been documented in the literature to date.

Case Report: We presented here a 38 year-old female with primary urinary bladder EWS with no distant metastases. She had presented with macroscopic hematuria and had undergone transurethral resection of the tumor within the following week.

A T-cell prolymphocytic leukemia case with central nervous system involvement.

T-cell prolymphocytic leukemia (T-PLL) is an aggressive mature T cell neoplasm that typically involves peripheral blood, bone marrow, lymph nodes and spleen. It is a rare disease that comprises 2-5% of mature lymphocytic leukemia in adults. Here we present a T-PLL patient with CNS involvement.

Conjunctival extranodal natural killer/T-cell lymphoma, nasal type.

Purpose: To report a rare case of a patient with isolated primary conjunctival extranodal natural killer/T-cell lymphoma, nasal type (ENKTCL) without nasal involvement.

Methods: The clinical course, magnetic resonance imaging, positron emission tomographic and immunohistopathological features of the patient were evaluated.

Results: A 57-year-old man presented with rapidly progressing swelling and redness in his right eye for 2 months.

Nasal type natural killer T-cell lymphoma involving nasooropharynx and larynx.

Lymphoma is one of the malignant non-squamous tumors involving the head and neck. Lymphomas in this region are mostly B-cell type in origin and usually seen in Waldeyer's ring. In this article, we report a 45-year-old female case of primary natural killer T cell lymphoma-nasal type involving the nasooropharynx and larynx.