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Disseminated histoplasmosis

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https://www.readbyqxmd.com/read/28431110/african-histoplasmosis-new-clinical-and-microbiological-insights
#1
C Valero, S Gago, M C Monteiro, A Alastruey-Izquierdo, M J Buitrago
African histoplasmosis is defined as the fungal infection caused by Histoplasma capsulatum var. duboisii (Hcd). Studies focused on distinguishing Hcd and H. capsulatum var. capsulatum (Hcc), which coexist in Africa, are scarce or outdated, and African strains are continuously underrepresented. In this work, 13 cases of African patients with histoplasmosis diagnosed in the Spanish Mycology Reference Laboratory have been reviewed showing that 77% had disseminated disease and AIDS as underlying disease although Hcd infection has been classically considered a rare presentation in AIDS patients...
April 20, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28380270/oral-ulcers-associated-with-bone-destruction-as-the-primary-manifestation-of-histoplasmosis-in-an-immunocompetent-patient
#2
J A Figueira, D J Camilo, É R Biasoli, G I Miyahara, D G Bernabé
Histoplasmosis is a systemic fungal infection caused by Histoplasmacapsulatum, a saprophyte fungus commonly found in enriched soils with bat and bird droppings.[1] Oral manifestations of histoplasmosis are associated with the disseminated form of the disease, occurring in general associated with pulmonary infection.[2] We report a rare case of oral histoplasmosis with periodontal bone destruction in an immunocompetent patient without underlying pulmonary disease. This article is protected by copyright. All rights reserved...
April 5, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28379418/histoplasmosis-in-pleural-effusion-in-a-23-year-old-man-with-mixed-phenotype-acute-leukemia
#3
Sudha Sharma, Priya Singh, Kamal Kant Sahu, Arvind Rajwanshi, Pankaj Malhotra, Shano Naseem
Histoplasmosis has been observed in patients with immunosuppression in the form of isolated pulmonary involvement and disseminated disease. However, very few cases of this type that involved pleural effusion have been reported, and none have been reported in a case individual with mixed-phenotype acute leukemia (MPAL). Herein, we report a case involving a 23 year old Punjabi man having fever and breathlessness in the postinduction therapy period for mixed-phenotype acute leukemia (MPAL) with diagnosis of histoplasmosis based on the results of pleural fluid cytologic testing...
April 1, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28349614/progressive-histoplasmosis-with-hemophagocytic-lymphohistiocytosis-and-epithelioid-cell-granulomatosis-a-case-report-and-review-of-the-literature
#4
A B Schulze, B Heptner, T Kessler, B Baumgarten, V Stoica, M Mohr, R Wiewrodt, V Warneke, W Hartmann, J Wüllenweber, C Schülke, M Schäfers, D Wilmes, K Becker, L H Schmidt, A H Groll, W E Berdel
Histoplasmosis in central Europe is a rare fungal disease with diverse clinical presentations. Apart from acute pulmonary histoplasmosis and involvement of the central nervous system, the most serious clinical presentation is progressive disseminated histoplasmosis which is generally associated with severe immunodeficiency and in particular, advanced HIV-infection. Here we report on an immunocompetent female residing in a non-endemic area, presenting with progressive disseminated histoplasmosis after a remote travel history to Thailand and Costa Rica...
March 27, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28348765/progressive-disseminated-histoplasmosis-mimicking-a-flare-of-systemic-lupus-erythematosus-a-european-case-report
#5
M L M van Doorn-Schepens, E J Peters, R M van Vugt, J I van der Spoel, K van Dijk
INTRODUCTION: Diagnosing progressive disseminated histoplasmosis (PDH) in patients with systemic lupus erythematosus (SLE) is diagnostically challenging. Since PDH is lethal when untreated, awareness of this infection in patients with SLE is of utmost importance. To the best of our knowledge, this is the first description of a case of PDH in a patient with SLE in Europe. CASE PRESENTATION: A 56-year-old woman of Surinamese descent with a history of SLE, presented with fever and polyarthritis...
August 2016: JMM Case Reports
https://www.readbyqxmd.com/read/28327821/disseminated-histoplasmosis-diagnosed-in-a-peripheral-blood-smear
#6
André Luiz Maltos, Evaldo Maia, Cristina da Cunha Hueb Barata de Oliveira
No abstract text is available yet for this article.
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28317569/oral-fungal-infections-diagnosis-and-management
#7
REVIEW
David R Telles, Niraj Karki, Michael W Marshall
Oral and maxillofacial fungal infections can appear in high-risk patients, including those immunocompromised. This article explores common oral manifestations of fungal infections in the oral cavity as primary lesions or as a result of disseminated disease. By far the most common oral fungal infection experienced in dentistry is oral candidiasis, which is reviewed in depth from simple oral infections to invasive candidiasis. The review aids the dental practitioner in understanding the full scope of Candida infections and other fungal infections...
April 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/28273974/primary-cutaneous-histoplasmosis-masquerading-as-lepromatous-leprosy
#8
Jenna Blah Bhattacharya, Poonam Rani, Radhika Aggarwal, Seema Kaushal
Histoplasmosis is a genus of dimorphic fungi having various varieties of which the commonest one causing infection is Histoplasma capsulatum known to cause histoplasmosis. It has a varied disease spectrum ranging from an acute infection to chronic disease especially in lungs, disseminated disease and cutaneous disorder. Histoplasma capsulatum usually causes subclinical infection and serious infections only manifest in immunocompromised patients. Frank cases of infection are seen in pulmonary histoplasmosis...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28262217/disseminated-histoplasmosis-in-early-human-immunodeficiency-virus-infection
#9
Prabhava Bagla, Juan C Sarria
Early human immunodeficiency virus (HIV) infection leads to transient immunosuppression followed by a quasi-homeostatic state with slow progression towards AIDS. Histoplasmosis has never been reported in early HIV. We present a case of disseminated histoplasmosis with documented recent seroconversion and review the literature regarding other opportunistic infections in early HIV.
March 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28255468/disseminated-histoplasmosis-with-oral-manifestation-in-an-immunocompetent-patient
#10
Debopriya Chatterjee, Aishwarya Chatterjee, Manoj Agarwal, Meetu Mathur, Setu Mathur, R Mallikarjun, Subrata Banerjee
A case of disseminated histoplasmosis (DH) in a 60-year-old female patient is reported from Jaipur, Rajasthan, India. The patient presented with multiple papules on the skin surrounding the lips, face, torso, trunk, and back. She also complained of growth in the palate. Histoplasmosis was confirmed by biopsy and histopathology of skin and palatal lesions. This case report highlights the presenting features and occurrence of histoplasmosis in nonendemic region in India.
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28250930/disseminated-histoplasmosis-a-rare-clinical-phenotype-with-difficult-diagnosis
#11
Xiao-Feng Xiong, Li-Li Fan, Mei Kang, Jia Wei, De-Yun Cheng
We describe a rare and interesting case of a 37-year-old man who presented with an intermittent fever, progressive cytopenia, and hepatosplenomegaly. Histopathological examination of a bone marrow smear revealed haemophagocytes and intracellular yeast-like Histoplasma capsulatum (H. capsulatum); thus, we prolonged the blood culture duration to detect fungi, and H. capsulatum was detected in the peripheral blood. After the diagnosis of disseminated histoplasmosis, the patient was successfully treated with amphotericin B and symptomatic therapy...
May 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28243758/burden-of-serious-fungal-infections-in-guatemala
#12
N Medina, B Samayoa, D Lau-Bonilla, D W Denning, R Herrera, D Mercado, B Guzmán, J C Pérez, E Arathoon
Guatemala is a developing country in Central America with a high burden of HIV and endemic fungal infections; we attempted to estimate the burden of serious fungal infections for the country. A full literature search was done to identify epidemiology papers reporting fungal infections from Guatemala. We used specific populations at risk and fungal infection frequencies in the population to estimate national rates. The population of Guatemala in 2013 was 15.4 million; 40% were younger than 15 and 6.2% older than 60...
February 27, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28239602/first-case-of-cd40lg-deficiency-in-ecuador-diagnosed-after-whole-exome-sequencing-in-a-patient-with-severe-cutaneous-histoplasmosis
#13
Luis Alberto Pedroza, Nina Guerrero, Asbjørg Stray-Pedersen, Cristina Tafur, Roque Macias, Greta Muñoz, Zeynep Coban Akdemir, Shalini N Jhangiani, Levi B Watkin, Ivan K Chinn, James R Lupski, Jordan S Orange
Severe infections with Histoplasma capsulatum are commonly observed in patient with secondary immunodeficiency disorders. We report a two and a half years old boy previously healthy with disseminated cutaneous histoplasmosis. Using whole exome sequencing, we found an indel mutation at the CD40LG gene, suggesting a diagnosis of hyper-IgM (HIGM) syndrome, even in the absence of the usual features for the disease. Interestingly, the patient lives in a region endemic for histoplasmosis. The unusual infections in our case suggest that in children with severe histoplasmosis and resident in endemic areas, HIGM syndrome should be considered as a diagnosis...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28220360/oral-histoplasmosis
#14
Gillian A Folk, Brenda L Nelson
A 44-year-old female presented to her general dentist with the chief complaint of a painful mouth sore of 2 weeks duration. Clinical examination revealed an irregularly shaped ulcer of the buccal and lingual attached gingiva of the anterior mandible. A biopsy was performed and microscopic evaluation revealed histoplasmosis. Histoplasmosis, caused by Histoplasma capsulate, is the most common fungal infection in the United States. Oral lesions of histoplasmosis are generally associated with the disseminated form of histoplasmosis and may present as a fungating or ulcerative lesion of the oral mucosa...
February 20, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28214953/amplification-of-blood-smear-dna-to-confirm-disseminated-histoplasmosis
#15
T Dieng, A Massaly, D Sow, S Vellaissamy, K Sylla, R C Tine, Y Dieng, C Hennequin
BACKGROUND: The prevalence of the Histoplasma capsulatum var. capsulatum (Hcc) histoplasmosis may be underestimated West Africa, both because the diagnosis is not mentioned in the early stages of the disease and due to limited biological resources available. CASE REPORT: We report a case of disseminated histoplasmosis due to Hcc in a Senegalese HIV patient. The diagnosis was suspected following the demonstration of small encapsulated yeasts within neutrophils on a thin blood smear...
February 18, 2017: Infection
https://www.readbyqxmd.com/read/28210571/unmasking-histoplasmosis-immune-reconstitution-inflammatory-syndrome-in-a-patient-recently-started-on-antiretroviral-therapy
#16
Reuben Kiggundu, Henry W Nabeta, Richard Okia, Joshua Rhein, Robert Lukande
Histoplasmosis is the most common endemic mycoses among HIV-infected people. Patients with suppressed cell immunity mainly due to HIV are at increased risk of disseminated disease. Dermatological manifestations of immune reconstitution inflammatory syndrome (IRIS) and cutaneous manifestations of histoplasmosis similar to an IRIS event have been previously described. We report the case of a 43-year-old male who presented with cutaneous disseminated histoplasmosis due to Histoplasma capsulatum var. capsulatum 4 months after the onset of the antiretroviral therapy and some improvement in the immune reconstitution...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28194072/an-unusual-cause-of-fever-generalized-lymphadenopathy-and-eosinophilia-in-a-hcv-positive-6-year-old-boy
#17
Rajesh Kumar, Prashant Sharma, Pranab Dey, Babu Ram Thapa
A 6-year-old boy presented with a 3-month history of high-grade fever and night-sweats but without chills/rigors. On examination, he had moderate hepatosplenomegaly with multiple enlarged cervical and axillary lymph nodes. His hemogram revealed anemia and marked eosinophilia. Initial investigations were negative, except anti-HCV IgG antibodies, that were positive. Bone marrow aspirate showed a single histiocyte containing suspicious intracellular yeast-like forms. Cervical lymph node aspiration revealed a heavy load of intra- and extra-cellular Histoplasma spp...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28161744/burden-of-serious-fungal-infections-in-bangladesh
#18
H C Gugnani, D W Denning, R Rahim, A Sadat, M Belal, M S Mahbub
In Bangladesh there are several published papers on superficial mycoses. Deep mycoses are also recognized as an important emerging problem. Here, we estimate the annual incidence and prevalence of serious fungal infections in Bangladesh. Demographic data were obtained from world population reports and the data on TB and HIV extracted from the online publications on tuberculosis in Bangladesh and Asia Pacific research statistical data information resources AIDS Data HUB. All the published papers on fungal infections in Bangladesh were identified through extensive search of literature...
February 4, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28144615/isolated-ileal-stricture-secondary-to-antigen-negative-gi-histoplasmosis-in-a-patient-on-immunosuppressive-therapy
#19
Kyle M Rowe, Michael Green, Fredy Nehme, Nathan Tofteland
We present a case of antigen-negative disseminated histoplasmosis manifesting as an isolated ileal stricture in a patient on chronic infliximab and methotrexate. Diagnosis can be challenging due to imperfect tests, and this condition should remain in the differential, even with negative testing. Mortality of untreated disseminated histoplasmosis can be as high as 80%.
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28094163/granulomatous-histiocytic-dermatitides
#20
Mark R Wick
Granulomas of the skin may be classified in several ways. They are either infectious or non-infectious in character, and they contain areas of necrobiosis or necrosis, or not. Responsible infectious agents may be mycobacterial, fungal, treponemal, or parasitic organisms, and each case of granulomatous dermatitis should be assessed histochemically for those microbes. In the non-infectious group, examples of necrobiotic or necrotizing granulomas include granuloma annulare; necrobiosis lipoidica; rheumatoid nodule; and lupus miliaris disseminates faciei...
December 14, 2016: Seminars in Diagnostic Pathology
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