We report a 13-year-old girl with severe pustular psoriasis who had an excellent response to treatment with adalimumab after failure with methotrexate, acitretin, cyclosporin, phototherapy, and biologic drugs including etanercept and infliximab.

Baboon syndrome was first described as a particular type of systemic contact dermatitis, characterized by an exanthem with involvement of the buttocks and flexures. In children, it is an important entity to take into account for the differential diagnosis of viral exanthem. A large number of allergens have been implicated, although inhalation of mercury vapor is a common trigger. We present the findings in 14 patients younger than 14 years with baboon syndrome. We also look at the frequency in children and the most common causes and triggers in our area.

Background: Sentinel lymph node biopsy is the most important tool available for node staging in patients with melanoma. Objectives: To analyze sentinel lymph node detection and dissection with radio guidance from a portable gamma camera. To assess the number of complications attributable to this biopsy technique. Methods: Prospective observational study of a consecutive series of patients undergoing radioguided sentinel lymph node biopsy. We analyzed agreement between nodes detected by presurgical lymphography, those detected by the gamma camera, and those finally dissected. Results: A total of 29 patients (17 women [62.5%] and 12 men [37.5%]) were enrolled. The mean age was 52.6 years (range, 26-82 years). The sentinel node was dissected from all patients; secondary nodes were dissected from some. In 16 cases (55.2%), there was agreement between the number of nodes detected by lymphography, those detected by the gamma camera, and those finally dissected. The only complications observed were seromas (3.64%). No cases of wound dehiscence, infection, hematoma, or hemorrhage were observed. Conclusions: Portable gamma-camera radio guidance may be of use in improving the detection and dissection of sentinel lymph nodes and may also reduce complications. These goals are essential in a procedure whose purpose is melanoma staging.

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