Management of Intravenous Leiomyomatosis of Uterus with Extension to Heart.

Leiomyoma is a benign smooth muscle tumor. Intra-venous extensions of these tumors occur due to tumor growth within uterine vein or lymphatic vessels. In rare cases, intracaval and intracardiac extension can also be seen.

Chronic Low Back Pain due to Retroperitoneal Cystic Lymphangioma.

Abdominal cystic lymphangioma is a rare benign neoplasm. Less than 1% of lymphangiomas is in the retroperitoneum. Lymphangioma is mostly asymptomatic.