Joshua M. Schulman

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The absence of a discrete mass, surrounding signal abnormality and solid enhancement are imaging features that have traditionally been used to differentiate soft-tissue arteriovenous malformations from vascular tumors on MRI. We have observed that these findings are not uncommon in arteriovenous malformations, which may lead to misdiagnosis or inappropriate(More)
Ultraviolet radiation (UVR) is an essential risk factor for the development of premalignant skin lesions as well as of melanoma and non-melanoma skin cancer. UVR exerts many effects on the skin, including tanning, carcinogenesis, immunomodulation, and production of vitamin D. Vitamin D (vit D) is important in the maintenance of healthy bones as well as(More)
Necrobiosis lipoidica (NL), granuloma annulare (GA), and sarcoidosis usually are distinguished by clinical presentation and routine microscopy, but their distinction can sometimes be challenging. Historically, a clue to diagnosing NL or GA has been the identification of lipid droplets in the areas of altered collagen, but such studies have required fresh(More)
PURPOSE OF REVIEW Skin cancer incidence is higher than that of any other human malignancy, and yet one of its root causes [ultraviolet (UV) radiation] is perhaps better understood than any other human carcinogen. The roles of UV radiation exposure and indoor tanning behaviors on skin cancer risk are explored here. RECENT FINDINGS Studies from the past(More)
We present a young girl with a diffuse, macrocystic lymphatic malformation with associated venous dilation involving the left lower pulmonary lobe and mediastinum. Recurrent hemoptysis necessitated left lower lobectomy. This is the first reported case of a macrocystic lymphatic lesion with venous anomalies located within the parenchyma of the lung.
Adult xanthogranuloma presents most commonly as an orange-tan firm solitary nodule with no systemic manifestations. Recently, some cases have been reported in conjunction with lymphoproliferative disorders. Adult reticulohistiocytosis classically presents as red to yellow-red dermal nodules. In the multicentric form, lesions have a predilection for hands(More)
IMPORTANCE Multiple hereditary infundibulocystic basal cell carcinoma syndrome (MHIBCC) is a rare genodermatosis in which numerous indolent, well-differentiated basal cell carcinomas develop primarily on the face and genitals, without other features characteristic of basal cell nevus syndrome. The cause is unknown. The purpose of the study was to identify a(More)
Buschke-Ollendorff syndrome represents an autosomal dominant disorder characterized by connective tissue nevi and osteopoikilosis. Cutaneous lesions may contain either predominantly elastic fibers or predominantly collagen fibers or may show both connective tissue components. The disease results from mutations in LEMD3 (MAN1), which lead to enhanced(More)