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diagnosis and treatment histoplasmosis

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https://www.readbyqxmd.com/read/29109880/an-unusual-subcutaneous-mass-in-an-otherwise-healthy-patient-a-case-report-of-localized-histoplasmosis-diagnosed-on-excisional-biopsy
#1
Brendon M Esquibel, Christine J Waller, William A Agger
Patients are commonly referred to general surgery clinics for evaluation of soft-tissue masses of the trunk and extremities. The primary goal of surgical referral is to confirm the presence of a mass, to assess the need for additional imaging and/or testing, and to gauge amenability to surgical biopsy, whether incisional or excisional. This is a case of a 67-year-old woman who was referred to surgery clinic for a small soft-tissue mass near her left elbow that had increased in size and pain over the past year...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/29020213/improvement-in-diagnosis-of-histoplasma-meningitis-by-combined-testing-for-histoplasma-antigen-and-igg-and-igm-anti-histoplasma-antibody-in-cerebrospinal-fluid
#2
Karen C Bloch, Thein Myint, Luke Raymond-Guillen, Chadi A Hage, Thomas E Davis, Patty W Wright, Felicia C Chow, Laila Woc-Colburn, Raed N Khairy, Alan C Street, Tomotaka Yamamoto, Amanda Albers, L Joseph Wheat
Background: Central nervous system (CNS) histoplasmosis is a life-threatening condition and represents a diagnostic and therapeutic challenge. Isolation of H. capsulatum from cerebrospinal fluid (CSF) or brain tissue is diagnostic; however, culture is insensitive and slow growth may result in significant treatment delay. We performed a retrospective multicenter study to evaluate the sensitivity and specificity of a new anti-Histoplasma antibody enzyme immunoassay (EIA) for the detection of IgG and IgM antibody in the CSF for diagnosis of CNS histoplasmosis, the primary objective of the study...
August 20, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29016342/case-report-histoplasmosis-in-himachal-pradesh-india-an-emerging-endemic-focus
#3
Vikram K Mahajan, Rashmi Kaul Raina, Suman Singh, Rattan Sagar Rashpa, Anuradha Sood, Pushpinder S Chauhan, Karaninder S Mehta, Ritu Rawat, Vikas Sharma
We describe four cases of histoplasmosis indigenous to Himachal Pradesh (India) that will be of considerable public health interest. A 48-year-old human immunodeficiency virus (HIV)-negative man with cervical and mediastinal lymphadenopathy, hepatosplenomegaly, adrenal mass, and bone marrow involvement was treated as disseminated tuberculosis without benefit. Progressive disseminated histoplasmosis was diagnosed from the fungus in smears from adrenal mass. Another 37-year-old HIV-positive man was on treatment of suspected pulmonary tuberculosis...
September 25, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28954600/disseminated-histoplasmosis-case-report-and-review-of-the-literature
#4
Séverine Evrard, Philippe Caprasse, Pierre Gavage, Myriam Vasbien, Jean Radermacher, Marie-Pierre Hayette, Rosalie Sacheli, Marjan Van Esbroeck, Lieselotte Cnops, Eric Firre, Laurent Médart, Filip Moerman, Jean-Marc Minon
Case report We report the case of a young Cameroonian woman who presented with cough, hyperthermia, weight loss, pancytopenia, and hepatosplenomegaly. A positive HIV serology was discovered and a chest radiography revealed a 'miliary pattern'. Bone marrow aspiration pointed out yeast inclusions within macrophages. Given the morphological aspect, the clinical presentation and immunosuppression, histoplasmosis was retained as a working hypothesis. Antiretroviral and amphotericin B treatments were promptly initiated...
September 28, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28831671/opportunistic-invasive-mycoses-in-aids-cryptococcosis-histoplasmosis-coccidiodomycosis-and-talaromycosis
#5
REVIEW
Daniel B Chastain, Andrés F Henao-Martínez, Carlos Franco-Paredes
PURPOSE OF REVIEW: The goal of this review is to provide an update on the epidemiology, diagnosis, and treatment of opportunistic fungal infections in patients with human immunodeficiency virus (HIV) infection including Cryptococcus spp., Histoplasma spp., Coccidioides spp., and Talaromyces marneffei, formerly Penicillium marneffei. RECENT FINDINGS: In many settings, despite increasing roll out of antiretroviral therapy (ART), opportunistic invasive mycoses produce a substantial burden of disease...
August 22, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28736209/histoplasmosis-presenting-as-laryngeal-ulcer-in-a-post-renal-transplant-male-an-unusual-case-from-india
#6
P M Jawale, H V Gulwani
Histoplasmosis has variable clinical presentation that mimics various benign and malignant lesions. It is more often associated with pulmonary lesions and disseminated form of disease. Herein, we report a rare case of localized laryngeal histoplasmosis in a 62-year-old Indian man who presented with hoarseness of voice and dysphagia. Post-renal transplant, he was on immunosuppressive drugs for last three years. Laryngoscopy revealed an ulceroproliferative growth at base of tongue, which was extending upto the pyriform fossa...
July 20, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28725444/post-tuberculous-fibrosing-mediastinitis-a-review-of-the-literature
#7
REVIEW
Zhe Wu, Hannah Jarvis, Luke S Howard, Corrina Wright, Onn Min Kon
Fibrosing mediastinitis (FM) is a rare disease where there is thickening of the fibrous tissue in the mediastinum. While histoplasmosis is the the most common recognised cause, the link with tuberculosis (TB) has been rarely documented. We review the link between TB and FM, and describe a case of probable TB-related FM.Our case is of a 74-year-old man who presented with breathlessness 3 years after fully treated TB. Scans revealed a calcified soft tissue mass within the mediastinum, and a diagnosis of fibrosing mediastinitis resulting in pulmonary hypertension was made...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28606017/histoplasmosis-mimicking-metastatic-spinal-tumour
#8
Bing Liu, Liyan Qu, Jian Zhu, Zhengming Yang, Shigui Yan
Histoplasmosis is an infection caused by a fungus called Histoplasma. Diagnosis of histoplasmosis is based on the culture of biological samples and detection of fungus in tissues. Histoplasmosis can mimic malignant lesions. We report a 65-year-old, immunocompetent, male patient with back pain. We describe the main clinical and radiological characteristics in our patient who had vertebral histoplasmosis that mimicked cancer. A computed tomography scan showed lytic lesions of the right side of T4, T5, and T6 vertebral bodies...
August 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28602386/respiratory-infections-associated-with-anti-tnf%C3%AE-agents
#9
REVIEW
E Blanchard, M-E Truchetet, I Machelart, J Séneschal, C Raherison-Semjen
Anti-TNFα agents have proved effective in the treatment of various inflammatory, rheumatologic, dermatologic, and gastrointestinal diseases. Severe respiratory tract infections of bacterial or fungal origin have emerged as important complications in patients receiving such treatments. The risk of infection due to anti-TNFα therapy is difficult to assess in these patients who are immunocompromised because of the underlying disease itself and of previous or concomitant immunosuppressive drugs. This excessive infection risk seems real, particularly in the first six months following treatment initiation, and higher for patients receiving anti-TNFα monoclonal antibodies than for those receiving soluble TNFα receptor...
October 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28530163/gastrointestinal-histoplasmosis-a-case-series
#10
Rashi Sharma, Lipika Lipi, Smeeta Gajendra, Ishani Mohapatra, Ruchika K Goel, Rajan Duggal, Smruti Ranjan Mishra, Dheeraj Gautam
Histoplasmosis is an invasive mycosis caused by inhalation of the spores of dimorphic fungi Histoplasma capsulatum. The disease manifests in the lung as acute or chronic pulmonary histoplasmosis and in severe cases gets disseminated in multiple organs like skin, adrenal gland, central nervous system, lymph node, liver, spleen, bone marrow, and gastrointestinal tract. It occurs most commonly in immunodeficient patients like HIV-positive patients and transplant recipients, while immunocompetent hosts are affected rarely...
May 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28528522/reconstitution-inflammatory-syndrome-like-reactive-hemophagocytic-syndrome-associated-with-disseminated-histoplasmosis-in-a-hiv-patient
#11
REVIEW
Sandra M Gómez-Espejo, Julián Olalla-Sierra, Pilar Marí-Jiménez, Teresa Pereda-Salguero, Javier Pérez-Stachowski, Javier de-la-Torre-Lima, Alfonso Del-Arco-Jiménez, José L Prada-Pardal
We describe an unusual clinical association of disseminated histoplasmosis with reactive hemophagocytic syndrome. We report the case of a new HIV-positive patient with reconstitution inflammatory syndrome like reactive hemophagocytic syndrome associated with disseminated histoplasmosis. We describe the clinical case, the procedures performed, the treatment provided and the patient's evolution. A figure of liver biopsy Grocott's silver methenamine stain that shows lots of uniform ovoid yeasts in portal spaces' macrophages that supports the diagnosis of disseminated histoplasmosis in our case...
August 2017: Mycopathologia
https://www.readbyqxmd.com/read/28476105/case-of-disseminated-histoplasmosis-in-a-hiv-infected-patient-revealed-by-nasal-involvement-with-maxillary-osteolysis
#12
A C Lehur, M Zielinski, J Pluvy, V Grégoire, S Diamantis, A Bleibtreu, C Rioux, A Picard, D Vallois
BACKGROUND: Disseminated Histoplasmosis (DH) is a rare manifestation of Acquired Immune Deficiency Syndrome (AIDS) in European countries. Naso-maxillar osteolysis due to Histoplasma capsulatum var. capsulatum (Hcc) is unusual in endemic countries and has never been reported in European countries. Differential diagnoses such as malignant tumors, cocaine use, granulomatosis, vasculitis and infections are more frequently observed and could delay and/or bias the final diagnosis. CASE PRESENTATION: We report the case of an immunocompromised patient infected by Human Immunodeficiency Virus (HIV) with naso-maxillar histoplasmosis in a non-endemic country...
May 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28405488/multiple-intravitreal-ranibizumab-injections-for-persistant-choroidal-neovascularization-associated-with-presumed-ocular-histoplasmosis-syndrome
#13
Turgut Yılmaz, Seyhan Dikci, Oğuzhan Genç, Kayhan Mutlu
Presumed ocular histoplasmosis syndrome (POHS) is a clinical entity that is characterized by small, round, discrete, macular or mid peripheral atrophic (punched out) chorioretinal lesions (histo spots), peripapillary scarring, choroidal neovascularization (CNV), and the absence of anterior uveitis and vitritis. Diagnosis of this disorder is based upon characteristic clinical findings and a positive histoplasmin skin test or residence in an endemic region for Histoplasma capsulatum. There is no active systemic disease during diagnosis of POHS...
April 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28391953/-efficacy-of-the-treatment-and-secondary-antifungal-prophylaxis-in-aids-related-histoplasmosis-experience-at-the-francisco-j-mu%C3%A3-iz-infectious-diseases-hospital-in-buenos-aires
#14
Ricardo Negroni, Fernando Messina, Alicia Arechavala, Gabriela Santiso, Mario Bianchi
BACKGROUND: Classic histoplasmosis is a systemic endemic mycosis due to Histoplasma capsulatum var. capsulatum. A significant reduction in the morbidity and mortality of AIDS-related histoplasmosis has been observed since the introduction of highly active antiretroviral therapy (HAART) and secondary antifungal prophylaxis. AIMS: The aim of this study was to determine the current state of prognosis and treatment response of HIV-positive patients with histoplasmosis in the Francisco J...
April 5, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28349614/progressive-histoplasmosis-with-hemophagocytic-lymphohistiocytosis-and-epithelioid-cell-granulomatosis-a-case-report-and-review-of-the-literature
#15
Arik Bernard Schulze, Britta Heptner, Torsten Kessler, Birgit Baumgarten, Viorelia Stoica, Michael Mohr, Rainer Wiewrodt, Viktoria Susanne Warneke, Wolfgang Hartmann, Jörg Wüllenweber, Christoph Schülke, Michael Schäfers, Dunja Wilmes, Karsten Becker, Lars Henning Schmidt, Andreas H Groll, Wolfgang 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 human immunodeficiency virus 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/28275076/laboratory-diagnostics-for-histoplasmosis
#16
REVIEW
Marwan M Azar, Chadi A Hage
The diagnosis of histoplasmosis is based on a multifaceted approach that includes clinical, radiographic, and laboratory evidence of disease. The gold standards for laboratory diagnosis include demonstration of yeast on pathological examination of tissue and isolation of the mold in the culture of clinical specimens; however, antigen detection has provided a rapid, noninvasive, and highly sensitive method for diagnosis and is a useful marker of treatment response. Molecular methods with improved sensitivity on clinical specimens are being developed but are not yet ready for widespread clinical use...
June 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28243758/burden-of-serious-fungal-infections-in-guatemala
#17
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...
June 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28120605/hemophagocytic-lymphohistiocytosis-mimics-many-common-conditions-case-series-and-review-of-literature
#18
REVIEW
A T Akenroye, N Madan, F Mohammadi, J Leider
Introduction. Hemophagocytic lymphohistiocytosis (HLH), a rare but potentially fatal disease, is characterized by excessive immune activation and cytokine release which stimulates bone marrow macrophages to engulf hematopoietic cells. HLH could be secondary to infections: viral, fungal, and bacterial; malignancies and autoimmune diseases. The diagnosis of HLH is usually delayed due to the presence of non-specific symptoms at presentation. This delay contributes to increased mortality. Cases and review. We present the case of 4 patients who presented with subjective fevers and extreme fatigue...
January 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28086756/concomitant-disseminated-histoplasmosis-and-disseminated-tuberculosis-after-tumor-necrosis-factor-inhibitor-treatment-a-case-report
#19
Juan E Muñoz-Oca, Martha L Villarreal Morales, Aracelis Nieves-Rodriguez, Lemuel Martínez-Bonilla
BACKGROUND: Tumor necrosis factor antagonist inhibitors have transformed the approach to patients with severe autoimmune conditions, such as rheumatoid arthritis. Although the therapy can be highly effective, TNF-α inhibitors are associated with an increased risk of opportunistic infections. CASE PRESENTATION: Here, we report a case of concomitant disseminated histoplasmosis and tuberculosis in a 65-year-old female with rheumatoid arthritis treated with TNF-α inhibitor...
January 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28070489/acute-disseminated-histoplasmosis-with-atypical-lymphocytosis-in-an-immunocompetent-host
#20
Ayman Elbadawi, Hamdy M A Ahmed, Hussain Adly, Mohamed A Elkhouly, Samar Abohamed, Ann R Falsey
65 year-old-male presented with a one-week history of high grade fever, fatigue and confusion which began abruptly two days after a cystoscopy procedure. Past medical history included pulmonary sarcoidosis diagnosed by mediastinal lymph biopsy, diabetes and hypertension. On admission he was febrile and confused with stable vital signs. Initial workup included negative Head CT and lumbar puncture. Blood work revealed normal metabolic and liver function tests with progressive anemia, thrombocytopenia and atypical lymphocytosis of 15-20%...
2017: IDCases
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