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cryptococcus antigen rheumatoid arthritis

Rui M Gomes, Dean R Cerio, Cyrus Loghmanee, Justin McKinney, Mili Patel, Janeen Miraglia, Manal Yousef-Bessler, Jonathan H Zippin, Audrey N Schuetz, Paulo Bandeira Pinho
An 87-year old Caucasian male with past medical history of rheumatoid arthritis (RA) and chronic kidney disease presents with left hand erythema, pain, tenderness, induration and edema. Clinically, these hand findings began proximal to the metacarpo-phalangeal joints and extended to the distal wrist. He was noted to have ipsilateral axillary lymph node enlargement but denied any constitutional signs or symptoms. Laboratory markers of inflammation were poor prognostic indicators due to relatively active RA, the use of chronic daily glucocorticoids and weekly adalimumab use...
2013: Journal of Clinical Medicine
Dong Won Jang, Ina Jeong, Seon Jae Kim, Seok Won Kim, Soo Yeon Park, Yong Hwan Kwon, Yeon Oh Jeong, Ji Yeon Lee, Bo Sung Kim, Woo-Shik Kim, Joon-Sung Joh
Recently, the incidence of pulmonary cryptococcosis is gradually increasing in rheumatoid arthritis (RA) patients. Pulmonary rheumatoid nodules (PRN) are rare manifestations of RA. Eighteen months ago, a 65-year old woman was admitted to hospital due to multiple nodules (2.5×2.1×2 cm) with cavitations in the right lower lobe. She was diagnosed with RA three year ago. She had been taking methotrexate, leflunomide, and triamcinolone. A video-assisted thoracoscopic surgery biopsy was performed and PRN was diagnosed...
December 2014: Tuberculosis and Respiratory Diseases
Satoru Morita, Toshihiro Shirai, Kazuhiro Asada, Masato Fujii, Makoto Suzuki, Takafumi Suda
A 78-year-old woman who was receiving corticosteroids for rheumatoid arthritis was admitted to our hospital to have her fever, hemoptysis, diarrhea, and chest x-ray abnormalities, which were unresponsive to antibiotics, investigated. A chest computed tomography scan revealed infiltrative shadows and a large cavity in the right lower lobe. Laboratory tests revealed a white blood cell count of 13,100/μL, a serum C-reactive protein level of 8.75 mg/dL, a serum albumin level of 1.4 g/dL, and positivity for Cryptococcus antigen...
June 2014: Respirology Case Reports
Eva Pericolini, Alessia Alunno, Elena Gabrielli, Elena Bartoloni, Elio Cenci, Siu-Kei Chow, Giovanni Bistoni, Arturo Casadevall, Roberto Gerli, Anna Vecchiarelli
The persistence of activated T cells in rheumatoid arthritis (RA) synovium may be attributable to increased homing, increased retention or a possible imbalance between cell proliferation and programmed cell death. Induction of apoptosis may represent a potential therapeutic approach. Galactoxylomannan (GalXM) from the opportunistic fungus Cryptococcus neoformans can interact with T cells and induce T-cell apoptosis through the inhibition of CD45 phosphatase activity. The aim of this study was to determine the effect of GalXM on circulating T cells from patients with RA and the underlying mechanisms...
2013: PloS One
Takayuki Karino, Kohichi Osaki, Kiyonobu Kanamori, Tomoyuki Yahata
A 59-year-old woman who had been receiving abatacept therapy for rheumatoid arthritis was noted to have multiple nodules in both lungs on routine chest X-ray films. Chest computed tomography (CT) revealed multiple nodules with small cavities in both lung fields. The Cryptococcus neoformans antigen was detected from her serum and bronchial lavage fluids, indicating a diagnosis of pulmonary cryptococcosis. Abatacept was discontinued, and antifungal treatment with fluconazole was started. The lung nodules gradually shrank, and the cavities disappeared...
December 2010: Nihon Kokyūki Gakkai Zasshi, the Journal of the Japanese Respiratory Society
Claudia Monari, Sara Bevilacqua, Miranda Piccioni, Eva Pericolini, Stefano Perito, Mario Calvitti, Francesco Bistoni, Thomas R Kozel, Anna Vecchiarelli
Rheumatoid arthritis (RA) is a chronic and debilitating autoimmune disease characterized by chronic joint inflammation with subsequent cartilage and bone destruction. RA is emerging as a model of IL-17-driven autoimmune inflammatory disease. IL-17 is a marker for Th17 cells, with its master regulator being the retinoic acid receptor-related orphan receptor (RORgammat) regulated by STAT3 signaling. Glucuronoxylomannan (GXM), a polysaccharide representing the main component of the capsular material of the opportunistic yeast Cryptococcus neoformans, exhibits potent immunosuppressive properties both in vitro and in vivo...
July 1, 2009: Journal of Immunology: Official Journal of the American Association of Immunologists
M Fukuchi, Y Mizushima, T Hori, M Kobayashi
A 52-year-old woman with a seven-year history of rheumatoid arthritis (RA) was transferred to our department with chronic renal failure to undergo hemodialysis. She had been treated with prednisolone for a long time, and had renal amyloidosis secondary to RA. During her hospitalization, a left pleural effusion developed. Pleural fluid cultured positive for Cryptococcus neoformans (CN), and the CN antigen was detected in both pleural fluid and serum. Chest computerized tomography revealed an infiltrate shadow in the left lower lung field suggestive of CN infection...
June 1998: Internal Medicine
R H Eng, A Person
Sera from nine patients with cryptococcal infections and from four with rheumatoid arthritis and positive rheumatoid factor were examined for the presence of cryptococcal capsular antigen by the latex agglutination method. Ethylenediaminetetraacetic acid-heat treatment of the sera before testing possibly increased sensitivity as compared with the untreated sera, and the interfering rheumatoid factor activity was eliminated.
December 1981: Journal of Clinical Microbiology
C T Dolan
No abstract text is available yet for this article.
October 1972: American Journal of Clinical Pathology
J Maeda, S Tamura, T Hada, K Higashino, T Yoshimoto, F Hirao
A 26-year-old man admitted to Nishinomiya Municipal Hospital for further evaluation for abnormal shadows on the chest film in a mass examination. He had no subjective complaints; for example, cough, sputum or dyspnea. His past history and physical examinations yielded no significant findings. The chest film revealed the multiple cavities accompanied with a little infiltration throughout several lobes bilaterally. The inflammatory reactions; such as, CRP and ESR, were all intact, but the titer of the serum cryptococcal antigen was high...
November 1989: Nihon Kyōbu Shikkan Gakkai Zasshi
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