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Related Experiment Video

Updated: May 2, 2026

Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach
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Published on: August 8, 2025

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Cavernous hemangioma arising from the diaphragm.

Katsuhito Ueno1, Eriho Takeuchi, Haruaki Hino

  • 1Center for Pulmonary Diseases, Department of Thoracic Surgery, National Hospital Organization Tokyo National Hospital, Tokyo, Japan.

Asian Cardiovascular & Thoracic Annals
|February 27, 2014
PubMed
Summary

A diaphragmatic nodule was identified in a 51-year-old man. Surgical removal revealed two papillary tumors, diagnosed as cavernous hemangioma, a rare vascular tumor.

Keywords:
Diaphragmhemangiomamuscle neoplasmsthoracic surgical procedures

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Area of Science:

  • Thoracic Surgery
  • Diagnostic Imaging
  • Pathology

Background:

  • A 51-year-old male presented with an incidental finding of a right lung nodule.
  • Initial imaging suggested an extrapulmonary lesion adjacent to the diaphragm.

Observation:

  • Computed tomography (CT) showed a homogeneous nodule without lymphadenopathy.
  • Positron-emission tomography (PET) indicated no significant metabolic activity.

Findings:

  • Surgical exploration identified two red papillary tumors arising from the right diaphragm.
  • Pathological examination confirmed the diagnosis of cavernous hemangioma.

Implications:

  • This case highlights the importance of considering rare diaphragmatic tumors.
  • Cavernous hemangioma is a benign vascular malformation that can present as a lung nodule.