Intrathoracic splenosis. Report of a case simulating esophageal leiomyoma.

Intrathoracic splenosis is a rare sequel of left thoracoabdominal injury. A case simulating esophageal leiomyoma is presented. As in most earlier cases, the diagnosis was established only at thoracotomy. As splenosis is asymptomatic and may have some beneficial immunologic effects, surgical removal is inadvisable. The 23 previously published cases and the possibility of nonsurgical diagnosis are discussed.