Acute Acalculous Cholecystitis due to primary acute Epstein-Barr virus infection treated with laparoscopic cholecystectomy; a case report.

Introduction: Epstein Barr virus (EBV) is a human herpes virus 4, transmitted through intimate contact between susceptible persons and asymptomatic EBV shedders. It usually presents with fever, pharyngitis and lymphadenopathy. Majority of individuals with primary EBV infection recover uneventfully.

Pancytopenia in a 70-year-old african-american male: an unusual presentation of a rare disease.

Hairy cell leukemia is a rare lymphoid neoplasm arising from mature B-lymphocytes. Clinically, the disease presents with splenomegaly and abdominal discomfort, frequent infections, fatigue and bleeding because of related cytopenias. Bone marrow biopsy is essential for diagnosis.

Spontaneous tumor lysis syndrome in a patient with cholangiocarcinoma.

Tumor lysis syndrome (TLS) is a potentially deadly complication of tumors or their treatment. This syndrome consists of a constellation of laboratory parameters such as hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia and clinical complications such as seizures, acute renal insult, cardiac dysrhythmias and death. TLS is especially common in patients with hematological malignancies with rapid cellular turnover rates such as acute lymphocytic leukemia and Burkitt lymphoma, but is very rare in patients with solid tumors.

Breast osteosarcoma 29 years after radiation therapy for epithelial breast cancer.

Radiation therapy has a solid role in the management of breast adenocarcinoma. It significantly reduces the rates of disease recurrence. Nevertheless, radiation therapy is not without side effects and patients who have undergone breast irradiation are at increased risk for lung disease, sarcomas, acute leukemia and esophageal cancer.

Primary diffuse large B-cell lymphoma of the ascending colon.

Primary colorectal lymphoma is a rare malignancy accounting for 3% of all gastrointestinal lymphomas and 0.1-0.5% of all colorectal malignancies.

Subcutaneous diffuse large B-cell lymphoma with intraocular involvement.

Here, we present an observational case report of choroidal involvement of subcutaneous diffuse large B-cell lymphoma (DLBCL). An 85-year-old female presented with a growing mass on her left abdominal wall that had been gradually growing over 2 months, which was diagnosed as subcutaneous DLBCL. A total of 1.

Thymic lymphoepithelioma-like carcinoma mimicking primary tumor of the lung.

Thymic lymphoepithelioma-like carcinoma is a rare subtype of thymic cancer with a poor prognosis; a few cases have been reported in the English literature. Strong clinical suspicion should be pursued in patient management decision making despite initial diagnostic studies, which sometimes mcould islead clinicians, as in our case.