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Background: Bacteremic infection with Pseudomonas aeruginosa is an uncommon and late phenomenon in the natural history of infection with human immunodeficiency virus (HIV). Our objective was to study the clinico-epidemiological characteristics of P. aeruginosa bacteremia (PAB) in patients infected with HIV., Patients and Methods: A retrospective study of 17 episodes of PAB in 16 patients infected with HIV in three tertiary hospitals in the Valencia Community. Data were collected by means of a protocol designed to obtain clinical and epidemiological information., Results: Fourteen out of 16 HIV-positive patients with PAB were males and in nine patients the risk factor for the acquisition of HIV was parenteral drug abuse. Eighty-one percent (13 patients) met diagnostic criteria for AIDS. Fourteen patients had less than 100 CD4 lymphocytes/mm3 at diagnosis of bacteremia (mean value 25.8). PAB was acquired in the community in 13 episodes (76.4%). Nine patients (56.2%) had received some type of antimicrobial therapy during the last month, 12 (75%) were taking anti-retroviral therapy, and 6 (37.5%) were receiving prophylaxis against P. carinii. The most frequent source for PAB was pneumonia with 7 episodes (41.2%), followed by the intravascular catheter infection with 2 (12%). In six episodes (35.3%) no source was identified. Only one episode was evaluated as recurrence. Only two of the seven patients with pneumonia had pulmonary cavitation in the chest X-ray. Fifteen episodes resolved (94%) and in only one case was dead directly related to PAB., Conclusions: In our experience, PAB in patients infected with HIV emerges in the advanced stages of disease. The most common source was the lower respiratory tract and in most cases PAB was acquired in the community. The mortality rate resulting from PAB was lower than that previously reported in the literature.

We present the case of a 67-years-old patient diagnosed of superficial vesical transitional carcinoma which, under immunotherapy with intravesical BCG, developed a severe hypersensitivity reaction with spontaneous resolution. We describe several adverse reactions after the administration of intravesical BCG, as well as its diagnostic and therapeutic problems, especially in the cases of hypersensitivity.

We describe a 45 year-old man, with scleromyxedema associated to systemic manifestations, including myopathy. After 6 years of dermatologic manifestations, muscular weakness, with proximal predominance resulting in incapacity, was established. Corticosteroids plus cyclophosphamide treatment suppressed muscular symptomatology, and a second biopsy was normal. The common association between scleromyxedema and myopathy and other systemic alterations suggest that this entity should probably be considered as a systemic disease instead as a skin disease.

Recently, cases of porphyria cutanea tarda (PCT) have been reported associated with infection due to human immunodeficiency virus (HIV). We presented the cases of three males, former ethanol users, and which have had previously a contact with the Hepatitis B virus. In one of the patients symptomatology appeared after treatment with zidovudine was begun. We suggest that HIV infection associated with other toxic or viral factors could contribute to the early development of a PCT latent until that moment.

A malignant lymphoma of the small bowel developed in a 55-yr-old woman who had intestinal malabsorption for 20 yr, late-onset hypo-gamma-globulinemia, and nodular lymphoid hyperplasia. The tumor arose in the first jejunal loop and appeared to be of B-immunoblastic type (diffuse large noncleaved cells). This case indicates that nodular lymphoid hyperplasia in the context of immunodeficiency may be a condition leading to lymphoid malignancy.