A Rare Cause of Black Material in Endobronchial Ultrasound Guided Transbronchial Needle Aspirate: A Case Report

Itthiphat Arunsurat, MD¹, Paphangkorn Nithithirawut, MD¹, Pakapop Jinatongthai, MD¹, Worawat Chumpangern, MD¹, Pailin Ratanawatkul, MD¹, Wipa Reechaipichitkul, MD¹

Affiliation : ¹Division of Pulmonary Medicine and Pulmonary Critical Care, Department of Medicine, Faculty of Medicine, Khon Kaen Universty, Khon Kaen, Thailand

Endobronchial ultrasound-guided transbronchial needle aspirate is a standard method for diagnosing and staging lung cancer. However, the appearance of black material in sample obtained through transbronchial needle aspiration is uncommon and is typically associated with anthracosis or melanoma. This case reports described an unusual finding of black material in a transbronchial needle aspiration sample caused by Mucormycosis in a 68-year-old man presenting with chronic cough, non-massive hemoptysis, a lung mass, and mediastinal lymphadenopathy.

Keywords : Black material; EBUS-TBNA; Mucormycosis

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