Current perspective of adrenal histoplasmosis in India: A prospective study in a tertiary care hospital, Eastern India

Adrenal histoplasmosis (AH) is an uncommon form of disseminated histoplasmosis caused by the dimorphic fungus Histoplasma capsulatum. Though, India is considered to be a non-endemic area for histoplasmosis, a high rise of AH cases is reported currently from various parts of India. Our study aimed to...

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Bibliographic Details
Published in:Indian journal of medical microbiology 2023-05, Vol.43, p.90-95
Main Authors: Pal, Nupur, Banu, Hossain Najma, Chakraborty, Mohana, Jain, Namrata, Maiti, Prasanta Kumar
Format: Article
Language:English
Subjects:
Adrenal enlargement
Histoplasmosis
Immune-status
Male preponderance
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Summary:Adrenal histoplasmosis (AH) is an uncommon form of disseminated histoplasmosis caused by the dimorphic fungus Histoplasma capsulatum. Though, India is considered to be a non-endemic area for histoplasmosis, a high rise of AH cases is reported currently from various parts of India. Our study aimed to evaluate the current perspective of adrenal histoplasmosis in India by reviewing its clinical course, differential diagnosis, treatment, and mortality of our eleven confirmed cases of AH along with the review of authentic reported AH cases from India. Clinical materials were taken from radiologically suspected all 15 cases either with unilateral or bilateral adrenal enlargement, referred between 2018 and 2020 for microbiological investigations. Fungal stain and fungal culture along with other tests for possible differential diagnosis with AH were conducted. Out of fifteen incidentaloma detected by radio-imaging, eleven cases of AH had been diagnosed in our hospital with yield of Rhodotorula spp. in one mimicking case. Nine of them were male (82%) and all were HIV nonreactive, which corroborates with the literature review. All of them had nonspecific clinical presentation of chronic abdominal pain, fever, weight loss, and anorexia. Four developed primary adrenal insufficiency, which are similar to the literature review (41%). On treatment with itraconazole and/or amphotericin B, all patients survived except one lost in follow-up. Male preponderance and non-compromised immune status are two special characteristics of most AH though reasons are ill understood. So, mycological investigations are to be done for every such case.
ISSN:0255-0857
DOI:10.1016/j.ijmmb.2022.10.001