ArticleJournal of surgical case reports2026
Pulmonary dermoid cyst mimicking hydatid cyst: a case report with literature review.
Article in Journal of surgical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Intrapulmonary dermoid cyst (mature cystic teratoma) is rare and may mimic common cystic lung diseases, particularly pulmonary hydatid disease. A 26-year-old woman presented with dyspnea and left-sided chest, shoulder, and neck pain. Computed tomography demonstrated a large complex cystic lesion in the left upper lobe with gas locules and associated pleural and pericardial effusions, initially suggesting a hydatid cyst. Video-assisted thoracoscopic excision revealed hair and heterogeneous cyst contents, and histopathology showed mature tissues from multiple germ layers with xanthogranulomatous inflammation, confirming a mature teratoma. The patient remained well at the 3-month follow-up. A focused review of eight reported cases of intrapulmonary teratoma showed heterogeneous presentations and recurrent preoperative diagnostic uncertainty. Intrapulmonary teratoma may present as a complex cystic lung lesion and can be mistaken for a hydatid cyst or a lung abscess.
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