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Updated: Jun 7, 2026

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer
Published on: February 27, 2026
[Thoracic splenosis mimicking pleural and pulmonary metastasis]
Anne-Catherine Biron-Schneider1, Alix Clemenson, Olivier Tiffet
1Service d'anatomie et de cytologie pathologiques, hôpital Nord, CHU de Saint-Étienne, avenue Albert-Raimond, 42055 Saint-Étienne cedex 02, France.
Abstract:
Splenosis corresponds to an autotransplantation of splenic tissue, consecutive to a traumatic or surgical wound of the spleen. The peritoneal cavity is usually affected but intrathoracic nodules are also described, when simultaneous rupture of the spleen and diaphragmatic laceration exist. Diaphragmatic laceration may be subclinical. Lesions are generally asymptomatic and are a fortuitous finding in radiographs or by the surgeons in the majority of the cases. We report a case of pleural and pulmonary splenosis, mimicking pleural and pulmonary metastasis of a dorsal melanoma.
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