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Thoracolithiasis.

S Kosaka1, N Kondo, H Sakaguchi

  • 1Department of Thoracic Surgery, Shimane Prefectural Central Hospital, Izumo, Japan.

The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyobu Geka Gakkai Zasshi
|June 22, 2000
PubMed
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Thoracolithiasis, a rare condition of chest stones without trauma, is presented in two new cases. These unique thoracic nodules were characterized by fibrous tissue and fatty necrosis upon examination.

Area of Science:

  • Pathology
  • Thoracic Surgery
  • Radiology

Background:

  • Thoracolithiasis, defined as calcification within the thoracic cavity, is exceptionally rare, particularly when unrelated to prior chest trauma or surgical interventions.
  • Literature review reveals only 9 previously reported cases of spontaneous thoracolithiasis, highlighting its extreme rarity.

Observation:

  • Case 1 involved a 76-year-old male with an enlarging abnormal shadow on chest radiography, later identified as a 1.5 cm milky white tumor with projections.
  • Case 2 featured a 54-year-old female with a history of lung adenocarcinoma, in whom a 5 mm milky white nodule was incidentally discovered during surgery.

Findings:

  • Histopathological examination of the resected lesion in Case 1 revealed a tumor composed of fibrous tissue with central fatty necrosis.

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  • Histopathological analysis of the nodule in Case 2 also demonstrated fibrous tissue with fatty necrosis.

    • Implications:

    • These cases expand the documented instances of spontaneous thoracolithiasis, contributing to the understanding of its varied presentations.
    • The findings underscore the importance of thorough histopathological examination for diagnosing rare thoracic abnormalities, even when presenting as incidental findings.
    • Further research into the etiology and pathogenesis of thoracolithiasis may be warranted given its rarity and distinct histopathological features.