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Open AccessCase Report

Granulomatous Mastitis Due to Non-Tuberculous Mycobacteria: A Diagnostic and Therapeutic Dilemma

Grant Government Medical College and Sir JJ Group of Hospitals, Mumbai 400008, India
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Academic Editors: Vishwanath Venketaraman and Vipul D. Yagnik
Clin. Pract. 2021, 11(2), 228-234; https://doi.org/10.3390/clinpract11020034
Received: 7 December 2020 / Revised: 25 March 2021 / Accepted: 25 March 2021 / Published: 14 April 2021
Non-tuberculous mycobacterial (NTM) infections of the breast are rare. These infections present as cellulitis of the breast or breast abscess. Their diagnosis poses a challenge as they manifest signs of acute inflammation, unlike tuberculous mycobacterial infections which present in a chronic pattern. However, on aspiration of pus from the site of infection, primary smear may show acid fast bacilli. This poses a diagnostic dilemma. The present case is that of a 34-year-old woman who presented with recurrent mastitis. She had history of right breast swelling, for which surgical excision had been performed three months prior at another facility. Her histopathology had showed cystic granulomatous neutrophilic mastitis (CNGM). The patient again presented with right breast abscess which was confirmed on ultrasonography. Incision and drainage along with removal of necrotic tissue was done. Primary smear of pus showed acid fast bacilli on Ziehl–Neelson staining. Bacterial culture and line probe speciation revealed non-tuberculous mycobacterium M. abscessus, which responded well to prolonged anti-microbial therapy. These rapidly growing NTM require prolonged treatment and are quite often recurrent. M. abscessus is a rare cause of CNGM, with this being only the third reported case in literature. A brief case report with a review of literature is presented. View Full-Text
Keywords: breast; mastitis; non-tuberculous mycobacteria; breast abscess breast; mastitis; non-tuberculous mycobacteria; breast abscess
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MDPI and ACS Style

Patel, O.A.; Bakhshi, G.D.; Nadkarni, A.R.; Rangwala, Z.S. Granulomatous Mastitis Due to Non-Tuberculous Mycobacteria: A Diagnostic and Therapeutic Dilemma. Clin. Pract. 2021, 11, 228-234. https://doi.org/10.3390/clinpract11020034

AMA Style

Patel OA, Bakhshi GD, Nadkarni AR, Rangwala ZS. Granulomatous Mastitis Due to Non-Tuberculous Mycobacteria: A Diagnostic and Therapeutic Dilemma. Clinics and Practice. 2021; 11(2):228-234. https://doi.org/10.3390/clinpract11020034

Chicago/Turabian Style

Patel, Owais A.; Bakhshi, Girish D.; Nadkarni, Amogh R.; Rangwala, Zarin S. 2021. "Granulomatous Mastitis Due to Non-Tuberculous Mycobacteria: A Diagnostic and Therapeutic Dilemma" Clin. Pract. 11, no. 2: 228-234. https://doi.org/10.3390/clinpract11020034

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