Cases reported "Abscess"

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1/10. Seminal vesicle abscesses: spectrum of computed tomographic findings.

    The computed tomographic (CT) findings in four cases of seminal vesicle abscess are presented. The predominant infectious organism in two cases was escherichia coli, one case was probably caused by mycobacterium tuberculosis, and another by atypical mycobacterium. The CT findings included unilateral (three cases) or bilateral involvement (one case), seminal vesicle enlargement with hypodense areas within the gland (three cases), adjacent perivesicle inflammation (three cases), and associated bladder wall thickening (three cases). Although the diagnosis of seminal vesicle abscess is often overlooked clinically, CT may help suggest the correct diagnosis early thereby helping to initiate therapy.
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ranking = 1
keywords = mycobacterium
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2/10. Injection abscesses due to mycobacterium chelonei occurring in a diabetic patient.

    The case of a young fit diabetic patient who suffered from injection abscesses is presented. Mycobacterium Chelonei var chelonei was the organism responsible. The organism was difficult to isolate, but skin tests yielded valuable results. The abscesses responded to treatment with erythromycin and cotrimoxazole.
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ranking = 4
keywords = mycobacterium
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3/10. Disseminated infection with mycobacterium chelonei in a haemodialysis patient.

    M. chelonei ssp. chelonei was isolated over a period of 5 months from abscesses on various sites of hands and feet of a patient on maintenance dialysis. The organism was resistant in vitro to a greater number of antimicrobials and treatment in turn with gentamicin, vancomycin, erythromycin, doxycycline and co-trimoxazole had to be supplemented by surgical drainage of abscesses. Examination of the dialysis circuit revealed repeatedly the presence of M. chelonei and M. fortuitum in the water softener resin and other sites. The significance of this finding is discussed.
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ranking = 4
keywords = mycobacterium
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4/10. infection due to mycobacterium haemophilum identified by whole cell lipid analysis and nucleic acid sequencing.

    A patient with indolent, non-Hodgkin's lymphoma developed a pretibial soft tissue abscess caused by a fastidious mycobacterium. Because the organism could not be definitively identified by standard microbiologic testing, whole cell fatty acid analysis and 16S rDNA sequencing were performed. These procedures identified the organism as mycobacterium haemophilum. We review the diagnostic considerations with regard to this pathogen.
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ranking = 1
keywords = mycobacterium
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5/10. Chronic otitis media after tympanostomy tube placement caused by Mycobacterium abscessus: a new clinical entity?

    Infections with nontuberculous mycobacteria (NTM) are being identified with increasing frequency, but the otologic manifestations of NTM infection are not well defined. Mycobacterium abscessus is a ubiquitous rapidly growing mycobacterium (RGM) known to cause disease by inoculation after trauma. Though reported following open heart and breast augmentation surgery, it is not recognized as a cause of sporadic post-tympanostomy tube otorrhea. This report presents detailed clinical information on six sporadic cases and partial information on 15 additional cases of ear infection caused by RGM over the past 7 years. Of these, 20 of 21 cases (95%) were attributable to M. abscessus, 14 of 21 (67%) subjects lived in a southern coastal state and 16 of 16 with available histories had previously undergone placement of tympanostomy tubes. Each isolate exhibited resistance to many antibiotics, with 50 percent exhibiting high level mutational resistance to aminoglycosides related to prior topical aminoglycoside use. Therapy was difficult, requiring debridement and prolonged antibiotic therapy. M. abscessus is a problematic infection requiring specific diagnosis and treatment and should be sought as a cause of refractory post-tympanostomy tube otorrhea.
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ranking = 1
keywords = mycobacterium
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6/10. Bilateral tuberculous abscesses on the face (eyelids) of a child.

    PURPOSE: To report a rare case of tuberculosis with facial abscess. methods: A 4 1/2-year-old girl had an acute left upper eyelid abscess and a large, spherical tumescence involving the right upper eyelid, eyebrow, and forehead. The left upper eyelid abscess was drained, and the mass involving the right eyelid, eyebrow, and forehead was excised. RESULTS: Histopathologic and microbiologic examination established a human type of tuberculous mycobacterium as the cause of the bilateral facial lesions. CONCLUSION: Tuberculosis should be considered as a possible cause of abscess even when clinical features are not typical.
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ranking = 1
keywords = mycobacterium
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7/10. Tuberculous tenosynovitis in the elbow joint.

    A 74-year-old woman was noted to have a mass lesion near the right elbow joint during medication for pulmonary tuberculosis. After discontinuation of medication, the mass gradually became enlarged with swelling and tenderness of the joint. Radiological evaluation disclosed tenosynovitis with an encapsulated abscess. Microscopic examination and culture of an aspiration biopsy specimen from the abscess showed no microorganisms. However, dna extracted from the specimen contained mycobacterium tuberculosis dna, permitting a diagnosis of tuberculous tenosynovitis. Mycobacterium is not always detected in biopsy specimens of tuberculous arthritis and tenosynovitis. In such cases, genetic diagnosis may be of great use.
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ranking = 1
keywords = mycobacterium
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8/10. Pituitary abscess: a series of six cases.

    Pituitary abscess is a rare condition occurring in various age groups. Only about a hundred cases have been reported in the literature. We describe six cases that constitute 0.6% of all the pituitary lesions operated at this centre in the last 10 years. All the patients presented with visual symptoms, though systemic features of infection were present in only two cases. The abscess was seen in association with adenoma in two cases and Rathke's cleft cyst in one. One patient developed an abscess following surgery for pituitary adenoma. The offending organisms was fungal in two cases, mycobacterium in one, bacterial in one and two cultures were sterile. Preoperative diagnosis is difficult and a high degree of suspicion in ring enhancing lesions of the sella is required.
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ranking = 1
keywords = mycobacterium
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9/10. retropharyngeal abscess caused by atypical mycobacterium.

    Mycobacterial retropharyngeal abscesses are usually secondary to cervical tuberculous osteomyelitis. A case is presented of a retropharyngeal abscess that was caused by the atypical mycobacteria with no mucous membrane or cervical spine involvement. The operative and medical management is discussed.
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ranking = 4
keywords = mycobacterium
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10/10. Recurrent therapy resistant mastoiditis by Mycobacterium cheilonae abscessus, a nontuberculous mycobacterium.

    A rare case of recurrent mastoiditis is described with abscess formation caused by a nontuberculous mycobacterium (NTM) mycobacterium chelonae abscessus. The exceptionally slow wound healing after repeated surgical debridement was striking. A literature study showed that in contrast with NTM infections of other parts of the body, infections of the middle ear were most commonly seen in immunocompetent children. If a case of chronic unilateral otitis media shows insufficient response to antibiotic therapy and surgical debridement, mycobacterial infection should be considered. The case described below illustrates the importance of histopathological and microbiological investigations.
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ranking = 5
keywords = mycobacterium
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