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Biomedical subjects

D J Pirozzi

Publications and source records attributed to D J Pirozzi.

14 recordsLinked to original sources

Evaluation of a new halcinonide formulation in the treatment of common dermatoses.

An open evaluation of halcinonide 0.1 percent in a hydrophilic vanishing cream base was conducted in one hundred patients with common steroid-responsive dermatoses, including eczema, contact dermatitis, atopic dermatitis stasis dermatitis, and neurodermatitis. Patients applied the cream two or three times a day for two weeks (or less if the clinical response warranted earlier discontinuation). Follow-up assessments were made on days 4, 7, and 14 of the study. Ninety-eight percent of the patients showed some degree of improvement, and eighty-five percent had complete clearing or marked improvement. One patient had no response and one worsened. Seventy-seven percent of the patients who responded achieved their maximum response within the first week of treatment. One case of urticaria was the only side effect noted in this series. Ninety-six percent of the patients rated their acceptance of the new formulation as excellent or good.

Adolescent↗

Extensive cutaneous metastases from urinary bladder carcinoma.

Herein we present an update of the literature and a report of a recent case of cutaneous metastases from transitional cell carcinoma of the urinary bladder. Cutaneous metastases from bladder carcinoma more commonly affect middle-aged or elderly men and generally herald a rapid demise. Our case is unusual because of the rather extensive area of skin involvement, rapidity of development, and occurrence in a woman.

Aged↗

Drug-induced toxic epidermal necrolysis in children. Report of two cases.

Two cases of toxic epidermal necrolysis occurring in children are presented herein. In both, multiple drugs were administered before the onset of the skin eruption. Cultures for staphylococcus were negative. Histopathologic examination of the first case revealed separations at the dermal-epidermal junction. While more commonly due to staphylococcal exfoliatoxin, a drug must be ruled out as the cause of toxic epidermal necrolysis in children.

Ampicillin↗

An unusual case of North American blastomycosis.

A patient with a laryngeal tumor first diagnosed as squamous cell carcinoma was subsequently found to have North American blastomycosis. Diagnosis of this condition eventuated in eradication of the lesion as well as removal of a tracheostomy, which was thought to be permanent.

Aged↗

Disseminated superficial actinic porokeratosis. Analysis of an affected family.

A family is analysed in which disseminated superficial actinic porokeratosis (DSAP) occurred in five members. All three children of one generation are affected. Clinical, histopathological and genetic aspects of DSAP are discussed. Disseminated superficial actinic porokeratosis appears to be a clinical variant of porokeratosis of Mibelli. Since DSAP is a genodermatosis inherited as an autosomal dominant it can occur in any geographical location; however excess sunlight can definitely exacerbate the condition.

Adult↗

Skin capillary changes in early systemic scleroderma. Electron microscopy and "in vitro" autoradiography with tritiated thymidine.

Skin biopsy specimens obtained from involved and noninvolved areas in a patient with early diffuse systemic scleroderma were processed for histology, electron microscopy, and "in vitro" autoradiography with tritiated thymidine. The affected area revealed cellular infiltrates around the eccrine sweat glands, consisting of plasma cells and lymphocytes. The capillaries showed thickening of the basement lamina, damage of endothelial cells, and obstruction of their lumens. However, in some vessels, endothelial cells were preserved and appeared in prophase. Autoradiography with tritiated thymidine showed a marked increase in endothelial and periendothelial cell labeling. Blood immunological studies revealed an increase in B-lymphocytes, IgG, and IgA and the presence of antinuclear and antismooth muscle antibodies.

Adult↗