Cases reported "skin diseases, bacterial"

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1/263. Pseudogaucher cells in cutaneous mycobacterium avium intracellulare infection: report of a case.

    We report on a patient infected with human immunodeficiency virus, and with cutaneous mycobacterium avium intracellulare, in whom many cells with abundant reticulated cytoplasm resembling the characteristic cells of Gauchers disease ("pseudogaucher cells") were noted within the dermal infiltrate on biopsy. Although pseudogaucher cells have been reported in association with M. avium intracellulare infection in extracutaneous sites, this is, to our knowledge, the first report of cutaneous pseudogaucher cells in the skin. ( info)

2/263. Atypical mycobacterium infection with dermatological manifestation in a renal transplant recipient.

    In April 1997, a 58-year-old renal transplant recipient presented with abscess-like nodules in his left calf and on his right foot. Furuncular disease was suspected and the patient was treated with flucloxacillin. However, the lesions increased in size and became ulcerative. In the following 3 months, cultures of punctuated material, blood, and urine remained negative and gram stains did not reveal micro-organisms. In June 1997, acid-fast stains were positive. A diagnosis of a nontuberculous mycobacterium (NTM) infection was made and empirical antimycobacterial therapy was started. The combination of relatively minor symptoms with enlarged purulent lesions, causing severe morbidity, raises the possibility of NTM infection in the immunocompromised patient. ( info)

3/263. Subcutaneous nodules caused by pseudomonas aeruginosa without sepsis.

    pseudomonas aeruginosa infection can cause a wide array of skin manifestations. While some infections are mild, as are the cases with hot tub folliculitis and toe web or nail infection, others are a result of sepsis and can be fatal without prompt treatment. The classic skin finding of P. aeruginosa sepsis is ecthyma gangrenosum, but other signs such as papules, petechiae, and hemorrhagic bullae can also be seen. Suppurative panniculitis can also be caused by P. aeruginosa sepsis and clinically manifests as solitary or multiple subcutaneous nodules. Reports in the literature describe these nodules in the setting of clinical sepsis or with positive blood cultures. We report a case of localized subcutaneous nodules on the leg caused by P. aeruginosa in a patient without sepsis or positive blood cultures. The source of the infection was thought to be from a traumatic inoculation. This raises the possibility that P. aeruginosa can cause subcutaneous nodules from a localized infection, perhaps via lymphangitic spread without the manifestations of sepsis. ( info)

4/263. Subcutaneous nodules with pseudomonas septicaemia in an immunocompetent patient.

    Pseudomonas septicaemia presenting with subcutaneous nodules, though rare, is well described in immunocompromized populations. It is, however, very uncommon in immunocompetent patients. We describe a case of a 42-year-old woman who presented with community-acquired. pseudomonas aeruginosa septicaemia and subcutaneous nodules. No precipitating cause or immune dysfunction was found. She was successfully treated with appropriate antibiotics, respiratory and cardiovascular support in the intensive care Unit. The difficulty in eradicating the organism from the skin lesion and the need for investigating the immune function of septicaemia patients are discussed. ( info)

5/263. Cutaneous nocardiosis caused by Nocardia brasiliensis after an insect bite.

    We report the case of a primary lymphocutaneous nocardiosis occurring on the right calf of a healthy 56-year-old man after an insect bite. Analysis of the purulent exudate obtained from the nodule revealed Nocardia brasiliensis. The initial therapy with trimethoprim-sulfamethoxazole had to be stopped due to a drug eruption. However, with minocycline treatment the patient recovered within 5 weeks. Superficial (sporotrichoid) infections and a history of outdoor injury should be considered suspicious for cutaneous nocardiosis. ( info)

6/263. Primary cutaneous nocardiosis.

    A case of primary cutaneous nocardiosis due to nocardia asteroides occurring in a steroid-dependent asthmatic with no history of trauma is presented. He had a 5 month history of painful nodules on his right shin and calf. He was initially treated with a 6 week course of oral cephalexin 500 mg four times daily, followed by a 2 week course of minocycline 100 mg twice daily with worsening of the infection. A 12 week course of oral clarithromycin 500 mg twice daily led to complete resolution. A discussion of the problems associated with antimicrobial susceptibility testing and nocardia resistance is presented. ( info)

7/263. The use of a modified Dakin's solution (sodium hypochlorite) in the treatment of vibrio vulnificus infection.

    We report the first clinical use of a modified Dakin's solution (0.025% sodium hypochlorite [NaOCl]) to halt the progress of severe cutaneous vibrio vulnificus infection in a critically ill patient. The regimen used arose from an initial in vitro study designed to examine the sensitivity of Vibrio species to topical antimicrobial agents. Twenty-eight wound isolates were tested against the following eight topical preparations: silver sulfadiazine (Silvadene), nitrofurazone, mupirocin ointment (Bactroban), polymyxin b/bacitracin, mafenide acetate (Sulfamylon), nystatin/Silvadene, nystatin/polymyxin b/bacitracin, and 0.025% NaOCl solution. The results showed that V vulnificus, along with the other 18 Vibrio species tested, was most sensitive to the modified NaOCl solution. ( info)

8/263. mycobacterium marinum with associated bursitis.

    BACKGROUND: mycobacterium marinum infections have been reported for over 50 years, mostly in association with trauma in the setting of water exposure. OBJECTIVE: The differential diagnosis for nodules in a sporotrichoid distribution with simultaneous bursitis is discussed. mycobacterium marinum treatment regimens for skin and joint involvement are reviewed. methods: mycobacterium marinum was identified by skin tissue culture with Lowenstein-Jensen medium at 32 degrees C. Histopathologic findings support mycobacterial infection. RESULTS: bursitis and nodules resolved in the first 2 months of a 6-month course of minocycline treatment. CONCLUSION: bursitis is an extremely rare but significant complication of M. marinum. ( info)

9/263. Painful red nodules of the legs: a manifestation of chronic infection with gram-negative organisms.

    Skin infection secondary to gram-negative organisms is uncommon and is typically limited to persons who are immunocompromised. When these do occur, they are acute, progressive, and severe. Here we report 2 cases of painful red nodules that presented with a waxing and waning course over a long period. One case is that of a 45-year-old healthy white man who developed serratia marcescens infection in 1 leg. The other case is that of a 78-year-old man with chronic lymphocytic leukemia treated with prednisone who developed infection of the leg secondary to pseudomonas aeruginosa. In the first case, symptoms were present for 2 years before definitive diagnosis and treatment. In the second case, 4 months elapsed. Ultimately, both patients responded to antibiotic therapy and recovered. These cases illustrate an unusual presentation of chronic red painful nodules of the leg secondary to infection with gram-negative organisms and underscore the importance of culture even when infection seems unlikely. ( info)

10/263. Primary cutaneous nocardiosis in a husband and wife.

    A 62-year-old woman suffered from acute purulent skin disease with multiple subcutaneous abscesses. At the same time, her 65-year-old husband presented with multiple subcutaneous nodules along the lymphatic vessels of his right arm. Both had a history of a minor scratch by a thorn of a bush at the site of infection. Nocardia was identified as causative bacterium from the woman's lesions. Therefore the rare phenomenon of 2 different forms of acute primary cutaneous nocardiosis after simultaneous infection, lymphocutaneous infection, and superficial skin infection was diagnosed. ( info)
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