Primary pedunculated leiomyosarcoma of the lung.

Primary leiomyosarcoma of the lung.

Primary smooth muscle tumors of the lung are rare, and usually arise from the uterus, gastrointestinal tract, or soft tissue. The patient reported was found at autopsy to have leiomyosarcoma which arose in the left mainstem bronchus and metastasized to the right lung, liver, pancreas, both kidneys, and brain, sparing the lymphatic system. This tumor is slow growing and late metastasizing, in sp...

[Primary leiomyosarcoma of the lung].

PRIMARY LEIOMYOSARCOMA OF THE URETER

Since 1943, fourteen cases of primary leiomyosarcoma of the ureter have been reported in English literature. The fifteenth case is presented here with a brief review of the significant aspects of the previous reports.

Primary Leiomyosarcoma of the Mesentery: A Case Report

AbstractMesenteric masses are infrequent lesions ranging from benign cysts to aggressive malignancies and often present a diagnostic and therapeutic challenge. The mesentery is a frequent recipient of metastases from the gastrointestinal tract, pancreas, and biliary cancers. Primary mesenteric tumors are relatively rare, mostly mesenchymal in origin and benign in nature. Examples include gastro...

Primary leiomyosarcoma of the lung presenting with a persistent pneumothorax.

Primary leiomyosarcoma of the lung is a malignant tumour arising from smooth muscle. It is rare and only two cases were reported in one recent series of 6000 lung tumours.1 It is one of the least common types of lung sarcoma.2 Most primary leiomyosarcomas originate in the hilar region in relation to the main bronchi or pulmonary vessels and only a few originate more peripherally.3 This rare tum...