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...

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...

The purpose of this study is to describe computed tomography (CT) findings of pulmonary non-Hodgkin’s lymphoma. Thirty-seven patients (24 to 92-years-old, mean 67, 27 males) with pulmonary non-Hodgkin’s lymphoma confirmed by pathology and encountered over a period of more than 10 years were reviewed. Pulmonary specimens were obtained by CT-guided core biopsy (n =16), transbronchial biopsy (n =1...

A 61-year-old female with a past medical history significant for von Hippel-Lindau (VHL) syndrome presented with multiple bilateral pulmonary lesions found on surveillance computed tomography scan. Positron emission tomography demonstrated avidity in a lesion in the right upper lobe. After an equivocal biopsy, a lobectomy via a thoracoscopic approach was performed as this lesion was concerning ...

RATIONALE Primary pulmonary NK/T cell lymphoma is extremely rare, and only a few cases have reported so far. Its diagnosis is mainly dependent on open-lung biopsy. PATIENT CONCERNS Here, we report a 44-year-old male who was initially misdiagnosed as having pneumonia according to the clinical characteristics and computed tomography (CT) findings. DIAGNOSIS The first lung biopsy indicated a l...

DESCRIPTION A 24-year-old man presented with dyspnoea on exertion. Chest x-ray showed an enlargement of the upper anterior mediastinum (figure 1A). Chest CT showed a huge mass with the size of 7.6×4.8 cm in the upper anterior mediastinum (figure 1B). This mass compressed the main pulmonary artery trunk (MPA) and the left pulmonary artery. Transthoracic two-dimensional echocardiography also reve...

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...

esophageal lymphoma is a rare condition, accounting for less than 1% of all gastrointestinal lymphomas. primary extra nodal esophageal lymphoma constitutes less than 0.2% cases of the total esophageal lymphomas. the definition of primary gi lymphoma has differed among authors. the etiology of the disease is unknown, with the role of epstein-barr virus being controversial. the common symptoms of...