Background: The clinical presentation of non-Hodgkin lymphoma (NHL) varies tremendously depending upon the type of lymphoma and the areas of involvement. NHL can rarely present as an abdominal mass compressing the inferior vena cava. The clinical presentation due to obstruction of inferior vena cava has often been called the inferior vena cava syndrome (IVCS). It can present acutely or chronica...

Introduction: Central mucoepidermoid carcinoma (CMEC) is a rare primary intraosseous bony lesion. The mandible is more commonly affected than the maxilla. CMEC is frequently misdiagnosed radiographically and clinically as a benign odontogenic tumor or cyst. Case Presentation: We present a rare case with a secondary malignant neoplasm. A male patient was initially diagnosed with B-cell non-Hodg...

a rare case of diffuse lymphomatous polyposis of the gastrointestinal tract is reported in which the patient presented with abdominal pain, weight loss and bloody diarrhea. x-rays revealed multiple polyps involving the stomach, small intestine and colon. biopsies confirmed the diagnosis of lymphomatous polyposis. the duration of symptoms and signs was 3 months. diffuse lymphomatous polyposis of...

disseminated b cells burkitt's lymphoma with stomach ,breast and eyelid involvement burkitt's lymphoma in adult is rare and has a progressive pattern in advanced stages. the current case is a 19 year old lady who was admitted in a hospital due to gi bleeding shown as melena. an upper gastrointestinal endoscopy report remarked a tomural mass lesion and also multiple masses in breast and abdomen ...

Introduction: Extranodal Natural Killer (NK)/T-cell lymphoma (NKTCL) nasal type is a rare but well-known disease with poor prognosis. NKTCL is more prevalent in Asia and comprises about 7-10% of all non-Hodgkin lymphoma cases in this region. The characteristic clinical pattern of NKTCL is the destruction of the midline structures of the mid-face. Case Report: The present study examines a case o...

background: lymphomas are a group of malignancies affecting b, t and nk cells. cox-2 enzyme is one of the known inflammatory factors which increase in the inflammation process. increase in cox-2 expression inhibits apoptosis and increases tumor cells invasion and angiogenesis. increase in the cox-2 gene expression is seen in a group of cancers .specific cox-2 inhibition also can be beneficial i...

Diffuse Large B-Cell Lymphoma is characterized by the infiltration of small vessels lymphoid cells. These cells are not seen in systemic circulation. Depending on involvement location, it may present with different clinics such as central nervous system and skin involvement. Therefore, diagnosis delay. Diagnosis based pathology. Herein we a rare patient who initially presented cellulitis was ul...

renal masses can be categorized as benign and malignant lesions. among the renal malignancies, renal cell carcinoma is the most common malignancy. however, other rare malignant lesions should be considered in differential diagnosis. primary renal lymphoma is quite rare and might be mistaken for renal cell carcinoma. due to lack of lymphatic tissue in the kidney, pathogenesis of renal lymphoma i...

reports which describe sick sinus syndrome due to malignant lymphoma have been rare and only eight cases have been reported until now. this is a case of sick sinus syndrome and superior vena cava syndrome secondary to invasion of occult malignant lymphoma of the lung in a 60 years old male. there were no symptoms or signs of malignancy before the first presentation with sick sinus syndrome. pat...