Metastatic Renal Cell Carcinoma Presenting as a Bleeding Gastric Polyp.

Background: Renal cell carcinoma (RCC) is responsible for nearly 13,000 deaths in the United States every year, predominantly because of metastasis to other bodily organs. However, metastasis of RCC to the stomach occurs rarely; it presents as solitary or multiple polyps or as ulcers concerning for primary gastric carcinoma. Bleeding from metastasis to the stomach is a rare and underrecognized cause of gastrointestinal bleeding.

Biliary tract brush cytology.

Objective: To prospectively review brush smears obtained during endoscopic retrograde cholangiopancreatography (ERCP) primarily from the biliary tree.

Study Design: A total of 175 specimens from 147 patients were included in the study. The smears, prepared directly from the endoscopic brush, were stained by the Papanicolaou technique and analyzed for standard cytologic features.

Malignant hemangioendothelioma presenting as multifocal intraskeletal lesions during pregnancy. A case report.

Background: Malignant hemangioendothelioma is a neoplasm of vascular origin characterized by irregular vascular channels lined with atypical endothelial cells.

Case: A gravida at 32 weeks' gestation presented with diffuse back and lower leg pain and was diagnosed with multifocal malignant hemangioendothelioma of bone. Computed tomography of the chest also demonstrated a small right atrial density.

Lobular breast carcinoma metastatic to the vulva: a case report and literature review.

Background: Six previous reports have documented a vulvar metastasis from breast cancer; one has noted involvement of the Bartholin's gland.

Case: A 53-year-old woman presented with an enlarging vulvar mass. Evaluation also identified a breast lesion.