A case of axillary lymphadenitis caused by Mycobacterium intracellulare in an immunocompetent patient

Junko Itano; Kadoaki Ohashi; Satoru Senoo; Naohiro Oda; Kazuya Nishii; Akihiko Taniguchi; Nobuaki Miyahara; Yoshinobu Maeda; Katsuyuki Kiura

doi:10.1016/j.rmcr.2019.100947

A case of axillary lymphadenitis caused by Mycobacterium intracellulare in an immunocompetent patient

Junko Itano, Kadoaki Ohashi, Satoru Senoo, Naohiro Oda, Kazuya Nishii, Akihiko Taniguchi, Nobuaki Miyahara, Yoshinobu Maeda, Katsuyuki Kiura

Research output: Contribution to journal › Article › peer-review

Abstract

Axillary lymphadenitis caused by non-tuberculous mycobacteria is rare and has been reported in immunocompromised hosts. Herein, we report the case of a 67-year-old man without immunodeficiency who developed right axillary lymphadenitis caused by Mycobacterium intracellulare and showed a small nodular shadow in the left pulmonary apex. Biopsy of the right axillary lymph node revealed several epithelioid granulomas, and the culture of the lymph node aspirate yielded Mycobacterium intracellulare. The lymph node lesion and left lung apex shadow resolved spontaneously after careful outpatient monitoring. This case suggests that axillary lymphadenitis could be caused by Mycobacterium intracellulare in an immunocompetent patient.

Original language	English
Article number	100947
Journal	Respiratory Medicine Case Reports
Volume	28
DOIs	https://doi.org/10.1016/j.rmcr.2019.100947
Publication status	Published - 2019

Keywords

Axillary lymphadenitis
Mycobacterium avium complex infection
Mycobacterium intracellulare

ASJC Scopus subject areas

Pulmonary and Respiratory Medicine

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10.1016/j.rmcr.2019.100947

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title = "A case of axillary lymphadenitis caused by Mycobacterium intracellulare in an immunocompetent patient",

abstract = "Axillary lymphadenitis caused by non-tuberculous mycobacteria is rare and has been reported in immunocompromised hosts. Herein, we report the case of a 67-year-old man without immunodeficiency who developed right axillary lymphadenitis caused by Mycobacterium intracellulare and showed a small nodular shadow in the left pulmonary apex. Biopsy of the right axillary lymph node revealed several epithelioid granulomas, and the culture of the lymph node aspirate yielded Mycobacterium intracellulare. The lymph node lesion and left lung apex shadow resolved spontaneously after careful outpatient monitoring. This case suggests that axillary lymphadenitis could be caused by Mycobacterium intracellulare in an immunocompetent patient.",

keywords = "Axillary lymphadenitis, Mycobacterium avium complex infection, Mycobacterium intracellulare",

author = "Junko Itano and Kadoaki Ohashi and Satoru Senoo and Naohiro Oda and Kazuya Nishii and Akihiko Taniguchi and Nobuaki Miyahara and Yoshinobu Maeda and Katsuyuki Kiura",

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journal = "Respiratory Medicine Case Reports",

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T1 - A case of axillary lymphadenitis caused by Mycobacterium intracellulare in an immunocompetent patient

AU - Itano, Junko

AU - Ohashi, Kadoaki

AU - Senoo, Satoru

AU - Oda, Naohiro

AU - Nishii, Kazuya

AU - Taniguchi, Akihiko

AU - Miyahara, Nobuaki

AU - Maeda, Yoshinobu

AU - Kiura, Katsuyuki

PY - 2019

Y1 - 2019

N2 - Axillary lymphadenitis caused by non-tuberculous mycobacteria is rare and has been reported in immunocompromised hosts. Herein, we report the case of a 67-year-old man without immunodeficiency who developed right axillary lymphadenitis caused by Mycobacterium intracellulare and showed a small nodular shadow in the left pulmonary apex. Biopsy of the right axillary lymph node revealed several epithelioid granulomas, and the culture of the lymph node aspirate yielded Mycobacterium intracellulare. The lymph node lesion and left lung apex shadow resolved spontaneously after careful outpatient monitoring. This case suggests that axillary lymphadenitis could be caused by Mycobacterium intracellulare in an immunocompetent patient.

AB - Axillary lymphadenitis caused by non-tuberculous mycobacteria is rare and has been reported in immunocompromised hosts. Herein, we report the case of a 67-year-old man without immunodeficiency who developed right axillary lymphadenitis caused by Mycobacterium intracellulare and showed a small nodular shadow in the left pulmonary apex. Biopsy of the right axillary lymph node revealed several epithelioid granulomas, and the culture of the lymph node aspirate yielded Mycobacterium intracellulare. The lymph node lesion and left lung apex shadow resolved spontaneously after careful outpatient monitoring. This case suggests that axillary lymphadenitis could be caused by Mycobacterium intracellulare in an immunocompetent patient.

KW - Axillary lymphadenitis

KW - Mycobacterium avium complex infection

KW - Mycobacterium intracellulare

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A case of axillary lymphadenitis caused by Mycobacterium intracellulare in an immunocompetent patient

Abstract

Keywords

ASJC Scopus subject areas

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