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Biomedical subjects

N S Prose

Publications and source records attributed to N S Prose.

At least 37 records · Page 2Linked to original sources

Papular umbilicated granuloma annulare. A report of four pediatric cases.

BACKGROUND: Granuloma annulare is a common skin condition usually presenting as annular plaques composed of intradermal papules. Variants such as disseminated, subcutaneous, and perforating have been described. In this article, the clinical and histologic features of a distinct papular umbilicated form of granuloma annulare are described. OBSERVATIONS: Four boys aged 5 to 9 years presented with papular, umbilicated, flesh-colored papules limited to the dorsa of the hands and fingers. Histologically there were unusually distributed but typical features of granuloma annulare, including well-demarcated areas of necrobiosis of collagen, localized beneath areas of epidermal thinning and parakeratosis. There was no perforation. CONCLUSIONS: Papular umbilicated granuloma annulare appears to be a distinct variant that may be difficult to diagnose because of its unique clinical and histologic features.

Child↗

Practical approaches to pediatric dermatology.

Pediatric dermatology has evolved as a subspecialty of dermatology. The ability to recognize and adequately treat the most common pediatric dermatoses represents an important skill for all dermatology nurses.

Child↗

Lyme disease in children: diagnosis, treatment, and prevention.

Lyme disease is a multisystem disorder that is caused by infection with Borrelia burgdorferi. In endemic areas, its occurrence is extremely common among children. The early diagnosis and treatment of Lyme disease may prevent the development of serious cardiac, rheumatological, and neurological sequelae. For this reason, a full understanding of the clinical manifestations, laboratory evaluation, and antibiotic therapy of Lyme disease is of vital importance.

Animals↗

Large-cell lymphoma presenting with a distinctive inflammatory dermatosis.

Severe, progressively enlarging inflammatory plaques of the upper trunk and neck developed in a 12-year-old girl. Histologic examination revealed a unique inflammatory cell infiltrate that consisted of chronic inflammation in the dermis subtending spongiosis with a diffuse neutrophilic epidermal infiltrate. A tumor in the right axilla was found by computed tomography. Tissue obtained at open biopsy examination demonstrated a large-cell lymphoma of B-cell origin. The tumor and dermatosis responded dramatically to chemotherapy. The distinctive histologic pattern and clinical course suggest that this dermatosis may represent an unusual paraneoplastic presentation of large-cell lymphoma.

Axilla↗

Mucocutaneous disease in pediatric human immunodeficiency virus infection.

Children with HIV infection may develop a wide variety of infectious and inflammatory diseases of the skin. These disorders are often more severe and more difficult to treat than in the healthy child. In some cases, disorders of the skin or mucous membranes may provide an early clue to the presence of pediatric HIV infection.

Acquired Immunodeficiency Syndrome↗

Cutaneous granulomas in children with combined immunodeficiency.

Noninfectious cutaneous granulomas, particularly in an acral distribution, may be an early sign of mixed cellular and humoral immunodeficiency. Special stains of skin biopsy sections and cultures for bacteria, acid-fast bacilli, and fungi are important in eliminating the possibility of underlying pathogens. In three children with combined immunodeficiency and cutaneous granulomas, the administration of moderate- to high-dose systemic corticosteroids was the most effective therapy. However, careful consideration should be given before administering systemic corticosteroids to an immunocompromised patient.

Adolescent↗

Cutaneous manifestations of HIV infection in children.

The vast majority of children with infection with the human immunodeficiency virus (HIV) develop some form of mucocutaneous disease during the course of their illness. Candidal, fungal, bacterial, and viral infections of the skin and mucous membranes tend to be more severe and less responsive to therapy than in the healthy child. Children with HIV infection are also at risk for drug eruptions, seborrheic dermatitis, and several other inflammatory disorders of the skin. An understanding of the cutaneous manifestations of HIV infection may aid in the early diagnosis and appropriate treatment of this disease.

Child↗

The laboratory diagnosis of Lyme disease.

Growing awareness of Lyme disease, caused by the tickborne spirochete Borrelia burgdorferi has led to a marked increase in laboratory procedures to help in its diagnosis. Despite the frequent ordering of serologic tests specific for Lyme disease, there remains confusion in the accurate interpretation of these tests. Because of the important cutaneous manifestations of B burgdorferi infection, dermatologists should understand the role of the laboratory in Borrelia-related conditions. This article reviews laboratory techniques available for the diagnosis of Lyme disease. The role of histologic findings and culture, the sensitivity, specificity, and reproducibility of commonly used serologic tests, the effects of disease duration and treatment on serologic results, and the future of laboratory diagnosis are described.

False Positive Reactions↗

Aplasia cutis congenita and arteriovenous fistula. Case report and review.

We describe a child with congenital aplasia cutis congenita of the scalp and an occult giant posterior fossa arteriovenous fistula. Previous case reports of central nervous system malformations associated with aplasia cutis congenita are reviewed. The exact incidence of such malformations is unknown. All patients with aplasia cutis congenita should undergo a neurologic evaluation, and their families should be examined for similar lesions. Early central nervous system imaging and other workup may be required, especially if plastic surgery in the head region is being planned.

Arteriovenous Fistula↗

HIV infection in children.

Human immunodeficiency virus (HIV) infection in children has emerged as a major, rapidly growing public health problem. The majority of children become infected by perinatal transmission of the virus from an infected mother. The disease is frequently associated with progressive neurologic dysfunction and with opportunistic infections. The cutaneous manifestations of pediatric HIV infection include a wide variety of fungal, bacterial, and viral infections of the skin. These diseases tend to be less responsive to conventional therapies than in the healthy child. In addition, severe seborrheic dermatitis, vasculitis, and drug eruptions are sometimes signs of HIV infection.

Acquired Immunodeficiency Syndrome↗

Dermatoses associated with sterile lytic bone lesions.

In recent years several dermatoses, palmoplantar pustulosis, acne fulminans, and Sweet's syndrome, have been associated with sterile lytic bone lesions. This article discusses the clinical, laboratory, and histologic findings of these disorders and postulates a common mechanism underlying the bone lesions.

Bone Diseases↗

Spitz nevi in black children.

Four black children with Spitz nevi are presented. The initial clinical diagnosis was pyogenic granuloma for three patients. One child had two Spitz nevi. Histologic examination revealed melanocytic dendritic hyperplasia in all cases.

Adolescent↗

Widespread flat warts associated with human papillomavirus type 5: a cutaneous manifestation of human immunodeficiency virus infection.

Numerous flat and tinea versicolor-like warts developed on the face, trunk, and upper extremities of a 10-year-old boy with human immunodeficiency virus infection. Nucleic acid analysis of involved skin revealed human papillomavirus type 5, which has sometimes been associated with epidermodysplasia verruciformis. This human papillomavirus type has also been described in patients with common variable immunodeficiency and dyskeratosis congenita and in renal allograft recipients. Human immunodeficiency virus infection should be added to the list of immune-related disorders that predispose to widespread flat warts.

Acquired Immunodeficiency Syndrome↗

Eruptive syringoma.

Eruptive syringoma is a rare variant of syringoma that appears on anterior surfaces of the body, including the neck, chest, and arms. Textbooks state that this eccrine-derived tumor arises at puberty. We describe four cases of eruptive syringoma that began in childhood. We review the literature on this entity and suggest that the disorder typically presents between the ages of 4 and 10 years. Eruptive syringoma is a benign tumor that should be considered among the papular dermatoses of childhood.

Adenoma, Sweat Gland↗