Mucosa-associated lymphoid tissue (MALT) lymphomas are characterized by lymphoepithelial lesions pathologically. Colonic MALT lymphomas are relatively rarer than lymphomas of the stomach or small intestine. Endoscopically, colonic MALT lymphoma frequently appears as a nonpedunculated protruding polypoid mass and/or an ulceration in the cecum and/or rectum. We report a unique case of a colonic M...

Primary pancreatic lymphoma is a rare extranodal manifestation of any histopathologic subtype of B cell non-Hodgkin's lymphoma that predominantly involves the pancreas. It comprises less than 0.2% of pancreatic malignancies and less than 0.7% of non-Hodgkin's lymphomas. This lymphoma is almost never suspected clinically. It is usually diagnosed by surgical exploration for suspected adenoca...

a case of primary malignant non-hodgkin's lymphoma of the breast is reported. this is the first well-documented case of breast lymphoma in our institution and also in iran. the diagnosis of primary breast lymphoma requires the presence of lymphomatous infiltration in close ass, tissue in patients with neither previous lymphoma nor concurrent lymphoma in another site. there is no definite c...

Gynecological lymphoma is one of the rarest tumors of the female organs that need to be kept in mind in a suspected patient due to its different management protocol. Even though the reported cases of ovarian lymphoma are not limited; our knowledge about diagnosis and treatment of primary cervical lymphoma is restricted. There is a rising number of suggested imaging and pathological criteria tha...

primary hepatic lymphoma (phl) is rare and possibly associated with viral hepatitis and autoimmune diseases. scleroderma could exceptionally be complicated by lymphoma. we describe phl occurring in a 52-year-old female suffering scleroderma for eight years, with no history of cytotoxic or high-dose glucocorticoid therapy. ct scan, performed to work-up abdominal discomfort, constipation, and ele...

Since nasal NK/T-cell lymphoma and NK/T-cell lymphoma nasal type are rare diseases, colonic involvement has seldom been seen. We report a case of a patient with a primary NK/T-cell lymphoma nasal type of the colon. The patient had no history of malignant diseases and was diagnosed after exhaustive study in the context of fever of unknown origin. The first therapeutic approach followed the DA-EP...

colorectal lymphoma is an extremely rare disease, representing less than 0.5% of all primary colorectal neoplasms. the disease is usually diagnosed in the advanced stages because of its primary non-specific symptoms. the most common involved site is cecum followed by rectum and ascending colon. diffuse large b-cell lymphoma is a more frequent subtype. although surgical resection is often techni...

primary cardiac lymphoma is a rare disease which mainly found in elderly men. it is usually a b-cell non-hodgkin’s lymphoma which primarily located in the heart and may involve the pericardium. the common presentations include massive pericardial effusion and heart failure. clinical diagnosis is often delayed in these patients and prognosis is dismal. we report a case of a 70-year-old man prese...