Cutaneous nocardiosis in an immunocompromised patient.

We describe a case of a 79-year-old man with chronic lymphocytic leukemia (CLL) who presented with ataxia; falls; vision loss; and numerous mobile erythematous nodules on the chin, neck, scalp, and trunk. Computed tomography of the head and chest revealed cavitary lesions in the brain and lungs. Clinically, the skin nodules were believed to represent an infectious process.

Adenoid Cystic Carcinoma of the Maxillary Sinus with Isolated Trigeminal Anesthesia.

Adenoid cystic carcinoma (ACC) is a rare malignant secretory gland tumor. It is characterized by slow growth, long clinical course, local recurrences, and distant metastases. In the sinonasal tract, it most commonly arises in the maxillary sinus.

A Case of Small Cell Lung Carcinoma in a 15-Year-Old Boy and Literature Review.

Small cell lung carcinoma (SCLC), also known as high-grade neuroendocrine tumor of the lung, is exceedingly rare in the pediatric population. SCLC is usually fast growing and often has metastasized at diagnosis. It frequently responds well to therapy initially, however, has a high relapse and mortality rate.

Metastatic Adenocarcinoma of the Prostate Diagnosed in a Colon Polyp: A Unique Clinicopathologic Scenario.

Adenocarcinoma of the prostate is the second most common cause of cancer-related deaths among males in the U.S. Metastatic disease commonly involves the bones, lymph nodes, lungs, liver, and brain.