Concurrent Diagnosis of Chronic Lymphocytic Leukemia and Plasma Cell Myeloma: Report of 2 Cases and Differential Diagnostic Considerations.

BACKGROUND Simultaneous occurrence of chronic lymphocytic leukemia (CLL) and plasma cell myeloma (PCM) is an uncommon hematological condition, with most patients presenting in late adult life. When these diagnoses occur concurrently, it often poses diagnostic challenges to the pathologist, with other important differential diagnoses including lymphoplasmacytic lymphoma, marginal-zone lymphoma, and chronic lymphocytic leukemia with plasmacytoid differentiation. Ancillary studies are indispensable in arriving at a reliable diagnosis in this clinical scenario.

Paracoccidioides brasiliensis Infection Mimicking Recurrent Hodgkin Lymphoma: A Case Report and Review of the Literature.

Paracoccidioides infection is a rare entity in the USA. This dimorphic fungus is found in Central and South America and is thought to be acquired by inhalation through the soil. We report a case of Paracoccidioides brasiliensis infection presenting as a clavicular bone lesion, peripancreatic mass, and various skin lesions.

Primary Hepatic Neuroendocrine Carcinoma: Case Reports and Review of the Literature.

Primary neuroendocrine tumors of the liver are exceedingly rare, and unlike metastatic neuroendocrine tumors, rarely cause carcinoid syndrome. There are fewer than 150 cases reported in the current literature. We report two cases of primary hepatic neuroendocrine carcinomas of the liver.