Electrochemotherapy (ECT) is a treatment modality that combines low-dose chemotherapy with electroporation, thereby enhancing cytotoxicity. ECT was first utilized in the treatment of metastatic head and neck cancer. Today it is used as a local treatment for the cutaneous and subcutaneous metastases of a variety of cancers, including melanoma. In addition, recent evidence indicates that ECT in combination with immunotherapy can lead to a systemic tumor response. This review aims to summarize the efficacy of ECT in the treatment of metastatic melanoma, with a specific focus on the combination of ECT with immunotherapy.

Hyperbaric oxygen therapy (HBOT) is used in the management of a wide array of disease states, including acute thermal burn injuries, carbon monoxide poisoning, and decompression sickness, to name a few. Although HBOT is approved by the Undersea and Hyperbaric Medical Society for the treatment of only 14 conditions, it has been used "off-label" in the management of a variety of dermatological diseases. This review investigates the utilization of HBOT in dermatology and appraises the evidence behind its use. We focus on the role of HBOT in treating necrotizing soft tissue infections, compromised grafts and flaps, hidradenitis suppurativa, and pyoderma gangrenosum.

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Although not a diagnostic criterion for basal cell nevus syndrome (BCNS, OMIM#109400), cutaneous cysts, particularly epidermoid cysts, are common in this condition. Cutaneous keratocysts, on the other hand, are extremely rare in general and have been identified in only 5 patients with BCNS.Here, we describe a BCNS patient with a cutaneous keratocyst that demonstrated D2-40 (podoplanin) immunoreactivity, which has been detected in odontogenic keratocysts but not cutaneous keratocysts. This finding suggests that cutaneous keratocysts may be developmentally homologous to odontogenic keratocysts and may behave similarly in terms of invasion and growth pattern.

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