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https://www.readbyqxmd.com/read/28626627/tonsillar-ulceration-as-manifestation-of-disseminated-african-histoplasmosis-in-an-immunocompetent-portuguese-host
#1
L Cardoso, C Silva, N Marques, C Veríssimo
Histoplasmosis is a systemic mycosis caused by Histoplasma capsulatum. Rare in Europe but endemic in some regions of Brazil, United States, Africa and Asia. Most of the cases are asymptomatic. Disseminated form is defined by the presence of an extra-pulmonary focus, particularly associated with immunosuppression. We report a case of an unilateral persisted tonsillar ulceration, in an immunocompetent Portuguese host, as manifestation of disseminated African histoplasmosis 45 years later after living 3 years in Africa...
September 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28617878/granulomatous-hepatitis-a-rare-primary-manifestation-of-disseminated-histoplasmosis-in-a-renal-transplant-recipient
#2
Jiten P Kothadia, Vyshnavi Kone, Shah Giashuddin
No abstract text is available yet for this article.
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28616380/rare-case-of-pulmonary-histoplasmosis-complicated-with-bronchocentric-granulomatosis-in-a-non-endemic-area
#3
Evanthia Botsa, Ioanna Thanou, Stamatina Kabanarou, Loukas Thanos
BACKGROUND: Pulmonary histoplasmosis is a fungal infection caused by histoplasma capsulatum, rarely diagnosed in non endemic areas and/or immunocompromised patients. Complication of pulmonary histoplasmosis with bronchocentric granulomatosis is extremely rare. CASE REPORT: A 48-year-old man with prolonged fever and nausea was admitted to our hospital. Clinical examination revealed pathological auscultatory sounds to the left lung. Computed tomography was performed and revealed a large solid mass of the left upper lobe, limited pleural and pericardial effusion and calcified lymphadenopathy of mediastinum...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28606017/histoplasmosis-mimicking-metastatic-spinal-tumour
#4
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...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28602386/respiratory-infections-associated-with-anti-tnf%C3%AE-agents
#5
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...
June 8, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28554708/protothecosis-in-a-patient-with-t-cell-lymphocytic-leukemia
#6
Mariana S Fernández, Florencia D Rojas, María E Cattana, Javier E Mussin, María de Los Ángeles Sosa, Carlos D Benzoni, Gustavo E Giusiano
Human protothecosis is a rare infection caused by algae of the genus Prototheca. Prototheca wickerhamii has been recognized as the main species that causes infection in immunocompromised hosts with deficits in innate or cellular immunity. We report a case of persisting subcutaneous protothecosis in a patient with T-cell large granular lymphocyte leukemia, who also presented a history of disseminated histoplasmosis.
May 27, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28548709/-polka-dot-macrophages-on-cytology-of-bilateral-adrenal-masses-nailing-disseminated-histoplasmosis
#7
Sumit Grover, Pavneet Kaur Selhi, Neena Sood, Ridhi Sood, Harpreet Kaur
Histoplasma capsulatum is a saprophytic fungus that in immunocompetent individuals causes self-limited pulmonary infection; however, in immunosuppressed patients involvement of the reticuloendothelial system, alimentary tract, urinary tract, and central nervous system is fairly common. Rarely patients present with bilateral adrenal masses which mimic tuberculosis and metastasis on radiology because of associated central necrosis. Ultrasound guided FNAC aided by special stains like Periodic Acid Schiff (PAS) and Gomori Methenamine Silver (GMS) may help in early diagnosis in such dubious cases...
May 26, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28547647/isolated-ileocolonic-histoplasmosis-in-an-hiv-negative-patient
#8
Bing Zhang, Vanessa K Martin, Nima Motamedi, Ling Shao
No abstract text is available yet for this article.
May 25, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28530163/gastrointestinal-histoplasmosis-a-case-series
#9
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
#10
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...
May 20, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28476105/case-of-disseminated-histoplasmosis-in-a-hiv-infected-patient-revealed-by-nasal-involvement-with-maxillary-osteolysis
#11
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/28474430/unusual-presentation-of-disseminated-histoplasmosis-in-an-immunocompetent-patient
#12
Manju Kumari, Madhumitha Udayakumar, Manju Kaushal, Garima Baweja Madaan
Disseminated histoplasmosis (DH) is a systemic granulomatous disease caused by the fungus Histoplasma capsulatum. This disease occurs mainly in immunocompromised individuals with CD 4 counts less than 200 cell/µL and is rarely noted in immunocompetent person. In India, this disease has been reported from several parts of the country of which most cases are from eastern India which is considered to be endemic for this disease. Inhalation of the spores can lead to a self-limiting flulike illness in immunocompetent hosts...
May 4, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28474198/seroprevalence-of-histoplasmosis-in-somali-burmese-and-hmong-refugees-residing-in-thailand-and-kenya
#13
Nathan C Bahr, Deborah Lee, William M Stauffer, Michelle Durkin, Martin S Cetron, L Joseph Wheat, David R Boulware
Histoplasmosis is known to be endemic to the Midwestern United States, but cases have been reported throughout much of the world. Somali, Hmong, and Burmese (ethnically Karen) persons make up some of the largest refugee populations coming the United States in recent years. Yet, information about risk of Histoplasma capsulatum infection amongst these populations is limited. This study used the CDC Migrant Serum Bank to test ~100 samples from each of Somali, Burmese, and Hmong U.S.-bound refugees. Samples were tested by enzyme immunoassay for Histoplasma capsulatum IgG...
May 4, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28470019/pulmonary-histoplasma-infection-after-allogeneic-hematopoietic-stem-cell-transplantation-case-report-and-review-of-the-literature
#14
Mukil Natarajan, Matthew J Swierzbinski, Sandra Maxwell, Adrian M Zelazny, Gary A Fahle, Martha Quezado, John Barrett, Minoo Battiwalla, Michail S Lionakis
Histoplasmosis causes a wide spectrum of clinical illness, including disseminated infection in the immunocompromised. We report a case of pulmonary histoplasmosis in an allogeneic stem cell transplant recipient and review the literature on this topic. Histoplasmosis in this patient population is uncommon, but it is associated with poor outcome.
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28462780/-african-histoplamosis-a-report-of-three-pediatric-cases
#15
REVIEW
J R Mabiala Babela, C Mboutol Mandavo, R Nika Evrard, B Ossibi Ibara, L Lamah, L C Ollandzobo Ikobo, A Mouko, J F Peko
Histoplasmosis duboisii (Histoplasma capsulatum var duboisii) is uncommon disease especially in children. It is observed in Africa where the incidence is unknown. The authors report a series of three pediatric cases. The report concerned 2 girls and one boy who were 3, 9 and 4 year-old, respectively. Symptoms evolved for more than two months in each case. At admission, we found fever and poor general condition. Observed lesions were lymphnodes localisation disseminated (cases 1 and 2), subcutaneous (cold abscess) and cutaneous simulating molluscum contagiosum (case 2), osteoarticular (cases 2 and 3), abdominal including peritoneal and hepatosplenic (case 1)...
April 24, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28457513/fatal-disseminated-histoplasmosis-presenting-as-fuo-in-an-immunocompetent-italian-host
#16
Alessandro Bonsignore, Giulio Fraternali Orcioni, Rosario Barranco, Francesco De Stefano, Jean Louis Ravetti, Francesco Ventura
Histoplasmosis is a relatively rare infectious disease endemic to certain geographic areas such as East Africa, eastern and central United States, western Mexico, Central and South America. Disseminated histoplasmosis has been reported mainly in immunocompromised hosts and in AIDS patients. In this paper we report on a fatal case of undiagnosed disseminated histoplasmosis presenting as fever of unknown origin (FUO) in a 43-year-old Italian woman who, although splenectomized 5years earlier due to a motor vehicle accident, was otherwise immunocompetent...
March 2017: Legal Medicine
https://www.readbyqxmd.com/read/28457046/gastrointestinal-histoplasmosis-and-cmv-co-infection-in-an-immunocompetent-host
#17
Mukesh Nasa, Nisharg Patel, Lipika Lipi, Randhir Sud
A middle aged male with no known comorbidities presented with history of colicky abdominal pain, low grade fever and weight loss. Laboratory parameters were normal except low albumin. Imaging showed multiple areas of mural thickening with enhancement in jejunum & ileum. On Colonoscopy there was a thickened and deformed ileum with multiple ulcers. The biopsy showed co-infection of CMV and histoplasma, urine antigen for histoplasma was positive and CMV DNA detected in blood. He was successfully treated with combination of Valgancyclovir and Amphotericin-B followed by itraconazole...
February 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28450854/microbial-disease-spectrum-linked-to-a-novel-il-12r%C3%AE-1-n-terminal-signal-peptide-stop-gain-homozygous-mutation-with-paradoxical-receptor-cell-surface-expression
#18
Thais Louvain de Souza, Regina C de Souza Campos Fernandes, Juliana Azevedo da Silva, Vladimir Gomes Alves Júnior, Adelia Gomes Coelho, Afonso C Souza Faria, Nabia M Moreira Salomão Simão, João T Souto Filho, Caroline Deswarte, Stéphanie Boisson-Dupuis, Dara Torgerson, Jean-Laurent Casanova, Jacinta Bustamante, Enrique Medina-Acosta
Patients with Mendelian Susceptibility to Mycobacterial Diseases (MSMD) exhibit variable vulnerability to infections by mycobacteria and other intramacrophagic bacteria (e.g., Salmonella and Klebsiella) and fungi (e.g., Histoplasma, Candida, Paracoccidioides, Coccidioides, and Cryptococcus). The hallmark of MSMD is the inherited impaired production of interferon gamma (IFN-γ) or the lack of response to it. Mutations in the interleukin (IL)-12 receptor subunit beta 1 (IL12RB1) gene accounts for 38% of cases of MSMD...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28431110/african-histoplasmosis-new-clinical-and-microbiological-insights
#19
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/28406413/lung-nodule-in-french-guiana-in-a-immunocompetent-patient
#20
N Barthes, F Morin, V Pommier de Santi, S Briolant
We report the case of an immunocompetent French soldier stationed in French Guiana, who developed symptomatic pulmonary histoplasmosis.
February 1, 2017: Médecine et Santé Tropicales
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