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Intestinal Histoplasmosis with <em>Histoplasma duboisii</em> in a Patient Infected by HIV-1 in Abidjan (Ivory Coast) | OMICS International
ISSN 2155-6113
Journal of AIDS & Clinical Research

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Intestinal Histoplasmosis with Histoplasma duboisii in a Patient Infected by HIV-1 in Abidjan (Ivory Coast)

Eboi Ehui1*, Doukouré BM2, Kolia-Diafouka P1, Aoussi E1, Koffi E3, Doumbia A1, Kouadio K4, Eholié S1 and Bissagnéné E1

1Department of Infectious and Tropical Diseases, University Hospital of Treichville, 01 BP V 3 Abidjan 01, Cote d’Ivoire

2Laboratory of Pathology, Faculty of Medical Sciences Abidjan, 01 BP V 166 Abidjan, Cote d’Ivoire

3Digestive Surgery Department, University Hospital of Cocody, BP V 13 Abidjan, Cote d’Ivoire

4Sainte Anne Marie International Polyclinic (PISAM), 01 BP 1463 Abidjan, Cote d’Ivoire

*Corresponding Author:
Dr. Eboi Ehui
Department of Infectious and Tropical Diseases
University Hospital of Treichville
01 BP V 3 Abidjan 01, Cote d'Ivoire
Tel: 225 21 25 52 49
Fax: 225 21 24 28 52
E-mail: [email protected]

Received Date: November 08, 2012; Accepted Date: December 17, 2012; Published Date: December 19, 2012

Citation: Ehui E, Doukouré B, Kolia-Diafouka P, Aoussi E, Koffi E, et al. (2011) Intestinal Histoplasmosis with Histoplasma duboisii in a Patient Infected by HIV-1 in Abidjan (Ivory Coast). J AIDS Clinic Res 2:125. doi:10.4172/2155-6113.1000125

Copyright: © 2013 Jung YG. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Abidjan; Amphotericin B; Intestinal histoplasmosis; HIV-AIDS; West Africa


African histoplasmosis, or histoplasmosis with Histoplasma duboisii, is a profound and rare mycosis, mostly found in West and Central Africa. It rarely occurs in disseminated form because of its particular tropism for the skin, the lymph nodes and the skeleton, and is rarely associated with HIV [1]. In the Ivory Coast, this condition is rarely described in patients infected with HIV [2]. However, cases of cutaneous and bone localizations of histoplasmosis with Histoplasma duboisii were been recently reported [3-5]. The clinical presentation of histoplasmosis in an HIV patient that we describe in this case has never been reported before in the Ivory Coast.


Mr. K.B., age 39, and an Ivory Coast native living continuously in Abidjan, was admitted to the Sainte Anne Marie International Polyclinic of Abidjan on March 10, 2007, for severe abdominal pain and emesis lasting for five days. His temperature was 39.6ºC, his blood pressure at 110/60 mmHg, his pulse at 104 beats/min, and his general condition was altered, associated with conjunctival pallor and dehydration. He presented with diffuse abdominal contracture, evoking peritonitis. The pleuropulmonary, cardiovascular, musculoskeletal and mucocutaneous systems did not reveal any particularity. The lung radiography showed a minimal bilateral pleural effusion, and the unprepared abdomen radiography showed some fluid level in the periphery. Moreover, the patient presented with normochromic normocytic anemia (hemoglobin at 10.8g/dl), bicytopenia (leukocytes at 2,200/mm3, red blood cells at 2,840,000/mm3), and thrombocytosis at 502,000/mm3. The other biological analyses, including hematuria, creatinine, natremia, kalemia, transaminases, glycemia, hemocultures, Widal and Félix serodiagnosis, were normal. An emergency right hemicolectomy was performed. The specimen removed showed an ulcerated and pre-perforation aspect. Colonic continuity was restored during the same operation. Histopathological examination of the specimen revealed an inflammatory granuloma consisting of multinucleated macrophages containing yeast and surrounded by a clear halo, evoking the duboisii variety of Histoplasma. It presented lymphoplasmocytes and polynuclear eosinophils, without histological evidence of malignancy [Figure 1]. The patient was infected with HIV- 1 with a CD4 count of 49/mm3. The serology of histoplasmosis was not performed. Treatment included a bi-antibiotherapy (ceftriaxone + metronidazole) used as an antiseptic and intravenous amphotericin B (at 1 mg/kg every other day). The evolution became rapidly unfavorable, with exitus of the patient on day 12 due to multiple organ failure.


Figure 1: Inflammatory granuloma consisting of lymphoplasmocytes and macrophages containing numerous Histoplasma with a clear halo (hematoxylineosin staining, ×400).


In the Ivory Coast, histoplasmosis with Histoplasma duboisii has been rarely described in patients with AIDS [3-5]. This confirms the idea that Histoplasma duboisii, which is mainly found in Africa, is rarely associated with HIV, while Histoplasma capsulatum, which, in its disseminated form, is a definition criterion for AIDS, is common in America [1]. Its rarity in our country is due to many reasons: its clinical polymorphism, which may mislead the clinical diagnosis, as in many observations described in Ivory Coast [3-5]; but also to the unavailability and/or non-systematic use of anatomopathological examination and serological tests. Indeed, the gastrointestinal manifestations (abdominal pain, diarrhea and sometimes blood emesis) are not specific for intestinal histoplasmosis, and can be found in 3% to 12% of patients with the disseminated form [6]. Sometimes, it is possible to observe gastrointestinal bleeding, intestinal perforation or even peritonitis, as in our case. For this reasons, Loulergue et al. already suggested that diagnostic of histoplasmosis in African patients should not be discounted because of the HIV status of the patients based on their cases and previous literature review [7]. The reports of many authors support the idea that the low incidence of African histoplasmosis could be due to a problem of under-reporting or underrecognition in Africa [7-9]. In resource limited situation, empirical anti-fungal treatment could be considered in patients with suspected gastro-intestinal histoplasmosis in order to diagnose and to treat this potentially life-threatening infection. The histopathological appearance of histoplasmosis is an inflammatory granuloma rich in epithelial and giant cells circumscribed by lymphoplasmocytes. At the center of the granuloma, there is fibrinohemorrhagic necrosis, or necrosis caseosa, which in our tropical context can guide the diagnosis to a tuberculous lesion [6]. On a morphological level, Histoplasma may be confused with Candida glabrata; Penicillium marneffei, Cryptococcus neoformans, and the amastigote form of trypanosomes, hence the interest in the research of a blood or urine antigen for Histoplasma to facilitate definitive diagnosis. Unfortunately, these diagnostic tests are not available yet in limited resources setting. Many authors have reported cases of disseminated histoplasmosis under antiretroviral therapy related to immune restoration [10-14]. None of these cases have been still reported in Africa. Perhaps, we could then fear a resurgence of this disease in Africa as a result of the current generalization of antiretroviral therapy. According to international recommendations, Amphotericin B is the preferred treatment for disseminated and intestinal histoplasmosis [6] and Itraconazole, for the consolidation phase; but in our context, Itraconazole is not always available. These treatments should improve the prognosis of the disease, whose lethality can in some cases reach 60% [9,15,16].


Intestinal histoplasmosis with Histoplasma duboisii is rarely associated with AIDS in the Ivory Coast. This rarity can be due to underreporting or under-diagnostic, and diagnostic difficulties because of the lack of specific clinical sign, and the unavailability of sensitive and specific diagnostic test. In this context, empirical antifongal treatment should be founded in front of evocative clinical signs of intestinal histoplasmosis.


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