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Updated: May 22, 2026

Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
Published on: May 23, 2015
Benign blue naevus of the lungs
Biserka Pigac1, Svjetlana Marić, Silvija Mašić
1Pathology, Citology and Forensic Medicine Unit, Varaždin General Hospital, Varaždin, Croatia. biserka.pigac@vz.t-com.hr
Abstract:
Blue naevus is a dark blue, gray or black lesion consisted of dermal melanocytes and usually found on face, scalp, or on the dorsum of hands and feet. Two well defined histologic and clinical variants, designated as "common" and "cellular", have been recognised. An unusual case of accidentally detected common blue naevus of the lungs has been reported. The specimen of lung tissue was taken during autopsy of a 62-year old woman who died of myocardial infarction. Microscopic analysis revealed the area containing melanocytes filled with melanin pigment.
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