Cases reported "Abscess"

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1/36. abscess formation as a complication of parenteral methylphenidate abuse.

    case reports of five patients suffering from either skin abscesses or cellulitis following parenteral methylphenidate abuse are presented. Four patients had similar lesions consisting of abscesses or cellulitis which demonstrated typical signs and symptoms of an infective process and were treated with local symptomatic therapy, incision and drainage if indicated, and systemic antibiotics. The fifth patient suffered from a circular, necrotic, nonpurulent ulcer on the dorsum of the right foot which produced no local or systemic toxic effects. Attempts to culture a responsible organism yielded streptococcus viridans, an organism which is normal flora of the skin and, although opportunistic, is generally considered nonpathogenic. These cases further substantiate the belief that local vasospasm, chemical irritation, or both, produced by the methylphenidate solution may primarily cause a necrotic ulcer susceptibble to secondary bacterial infection.
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ranking = 1
keywords = bacterial infection
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2/36. Portal venous gas associated with splenic abscess secondary to colon cancer.

    We report a successfully treated case accompanied by portal venous gas, which was associated with splenic abscess due to penetration of colon cancer. In June, 1998, a 67-year-old Japanese man was referred to our hospital because of a continuous fever over 40 degrees C and portal venous gas detected by computed tomography (CT). CT revealed low density areas in the spleen and wall thickening of the descending colon next to the spleen. barium-enema examination demonstrated an extrinsic filling defect in the splenic flexure of the colon. splenectomy, resection of the pancreatic tail and left hemicolectomy were performed Histopathological studies showed moderately differentiated adenocarcinoma, which made a fistula at the bottom of the ulceration to the spleen. The postoperative course was uneventful. The portal venous gas was likely to have resulted from a bacterial infection in the portal venous systems secondary to the splenic abscess.
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ranking = 1
keywords = bacterial infection
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3/36. Acute metastatic infection of a revision total hip arthroplasty with oral bacteria after noninvasive dental treatment.

    The risk of hematogenous bacterial infection of a total joint prosthesis is currently considered to be greatest in the 2 years after arthroplasty or when the patient is chronically ill or immunocompromised, for dental treatments that are considered invasive, with a higher incidence of bacteremia. We report the case of a healthy man who had undergone revision hip arthroplasty 11 months previously and who developed acute signs of infection of the hip prosthesis with an oral organism 30 hours after supragingival dental cleaning, performed with the specific intention to be noninvasive, without antibiotic prophylaxis.
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ranking = 1
keywords = bacterial infection
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4/36. Mycobacterium abscessus: a cutaneous infection in a patient on renal replacement therapy.

    We report a 72-year-old man on haemodialysis who presented with multiple abscesses on his lower legs. Routine bacterial culture of abscess pus was reported as 'sterile' after 48 h, leading to the suspicion of a mycobacterial infection. skin biopsy taken for mycobacterial microscopy and culture isolated a heavy growth of Mycobacterium abscessus.
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ranking = 1
keywords = bacterial infection
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5/36. Anaerobic thyroid abscess from a thyroid cyst after fine-needle aspiration.

    BACKGROUND: Anaerobic abscess formation within a thyroid cyst is rare but still possible, although aerobic thyroid abscess formation in the thyroid gland after fine-needle aspiration (FNA) has been observed in immunocompromised patients. methods: This study describes the clinical manifestations, thyroid echography, cytologic finding, culture outcome, and treatment course of an anaerobic abscess formation within a thyroid cyst after FNA in a healthy subject. RESULTS: A 53-year-old male subject had rapid enlargement of a left thyroid cyst develop after second FNA. Frank pus was obtained through third FNA. The culture outcome was propionibacterium acnes, which was rich in saliva and one of the pathogens causing periodontitis and gingivitis. After adequate antimicrobial therapy, the abscess gradually diminished. CONCLUSIONS: This article reported, for the first time, on the formation of an anaerobic thyroid abscess after FNA in a healthy subject. We recommended careful aseptic procedure and adequate isolation processes, such as wearing a mask to avoid an unfavorable outcome as a result of a bacterial infection.
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ranking = 1
keywords = bacterial infection
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6/36. staphylococcus aureus subcutaneous abscess complicating acupuncture: need for implementation of proper infection control guidelines.

    We report a case of staphylococcus aureus subcutaneous abscess centered over the Jizhong acupuncture point (DU 6) which lies along the Du (Back midline) meridian after acupuncture at the corresponding acupuncture point for low back pain. The patient recovered after surgical debridement and drainage and 5 weeks of cloxacillin therapy. Among the 16 anecdotal case reports of pyogenic bacterial infections complicating acupuncture described in the English literature (medline Search 1996-2002), S. aureus was documented to be the causative agent in 9 (56%). Three patients had septic arthritis, 2 had chronic osteomyelitis, 2 had abscess formation, 1 had chondritis, and 1 had infective endocarditis. Five patients had S. aureus bacteremia. All patients who recovered required prolonged antibiotic treatment of 5-6 weeks, and 6 required drainage and/or debridement. overall, 3 patients (30%) died. S. aureus causes significant morbidity and mortality in patients who receive acupuncture treatment. More resources should be spent on implementation of proper infection control guidelines, as the money lost due to prolonged hospitalization and medication would far exceed that used for implementation.
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ranking = 1
keywords = bacterial infection
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7/36. Sterile inflammation associated with transradial catheterization and hydrophilic sheaths.

    In 1999, we noted the development of inflammation and/or abscesses at the site of radial access in a group of patients. Over a 3-year period, we noted this inflammation in 33 patients out of 2,038 (1.6%) who had catheterization via the radial approach. The radial abscesses occurred in 30 patients out of 1,063 (2.8%) in whom we could confirm the use of a hydrophilic-coated sheath, but in no patient for whom we can document that an uncoated sheath was used. No infectious agent could be implicated, and the time course for the development of the abscess, typically 2 to 3 weeks, seemed long for a bacterial infection. Later patients had biopsies, and granulomatous reactions were seen in most. Additionally, a few of the biopsies showed an amorphous extravascular substance consistent with the catheter coating. All patients had good long-term outcomes.
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ranking = 1
keywords = bacterial infection
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8/36. Recurrent 'sterile' verrucous cyst abscesses and epidermodysplasia verruciformis-like eruption associated with idiopathic CD4 lymphopenia.

    rupture of follicular (epidermoid) cysts is believed to be the consequence of bacterial infection. We report a 24-year-old man with idiopathic CD4 lymphopenia and chronic mycobacterium avium intracellulare infection who developed multiple, recurring painful abscesses over the distal extremities that increased in number and severity when systemic steroid and interferon-gamma treatment was instituted for interstitial lung disease. Cultures were consistently negative for microorganisms, but pathological examination revealed ruptured epidermoid cyst walls with human papillomavirus (HPV) viropathic changes (keratinocytes with perinuclear halos and abundant basophilic keratohyaline granules). Cutaneous examination showed numerous, widespread flat-topped papules and achromic macules over the extremities, head and neck. Nested polymerase chain reaction analysis for HPV dna revealed that the abscess-related cyst walls harboured epidermodysplasia verruciformis (EV)-associated HPV types 20, 24, alb-7 (AY013872) and 80. His cutaneous lesions harboured HPV types 3, 8 and 80. Similar to past reports, our patient developed an EV-like eruption in the setting of immunodeficiency. In this instance, EV-associated HPV infection of the follicular infundibular epithelium or pre-existing cysts in the setting of immunodeficiency may have led to cystic growth, rupture and subsequent painful inflammation.
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ranking = 1
keywords = bacterial infection
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9/36. cocaine-associated abscesses with lethal sepsis after splenic infarction in an 17-year-old woman.

    Well known complications related to cocaine use are myocardial insufficiency, myocardial infarction, myocarditis, aortic dissection, neurologic damages, ischemic colitis, thrombotic phenomenons, renal infarction and acute liver failure. Cases of splenic infarctions related to cocaine use are extremely rare. A 17-year-old drug addict was found by her boy-friend liveless in her bed. She was well known using cocaine since years. autopsy revealed multiple splenic infarctions with secondary mixed bacterial infection and abscesses. Petechial bleedings were found and microabscesses in the myocardium, the meninges and the kidneys. The absolutely rare bacterial infection of the cocaine-associated splenic infarction leads to sepsis with lethal course.
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ranking = 2
keywords = bacterial infection
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10/36. Recurrent mycobacterial breast abscesses complicating reconstruction.

    We present a patient with mycobacterial infection of the breast and subsequent mastectomy. After initial reconstruction, she developed multiple recurrent abscesses around the flap. This necessitated further debridement and a second reconstruction. This case demonstrates the need to beware mycobacterial infection in patients undergoing breast reconstruction, especially after recurrent "sterile" abscesses.
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ranking = 2
keywords = bacterial infection
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