Mixed epithelial and stromal tumor of the kidney: A case report in elderly male patient.

Mixed epithelial and stromal tumor (MEST) is very rare neoplasm of the kidney, commonly affecting women at menopausal age. MEST is usually considered a benign tumor with low risk of local recurrence or distance metastases. Our case presents a case of a 66 years old male patient with a complex cystic lesion of the left kidney incidentally diagnosed on urinary tract computerized scan (CT) performed for other reasons.

The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system.

Objective/background: Lymphoma is a common human cancer that shows a variable geographic incidence worldwide. It is the fourth most common cancer in Jordan. Systemic reports of descriptive epidemiology on lymphoma from the Middle East are limited.

Necrobiotic xanthogranuloma associated with paraproteinemia and non-Hodgkin's lymphoma developing into chronic lymphocytic leukemia: the first case reported in the literature and review of the literature.

A 56-year-old married female presented in May 1998 with a 5-month history of xanthelasma of the eyelids, followed 4 months later by two enlarged lymph nodes of the left side of the neck and three of the left axilla. At the same time, she developed xanthomatous patches on the face, neck, and shoulders (Fig. 1).