Der Hautarzt; Zeitschrift für Dermatologie, Venerologie, und verwandte Gebiete
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The majority of patients with metastatic melanoma will develop brain metastases, which are the most common cause of death. Until recently, local therapies (e. g., neurosurgery, radiotherapy) were the only options for brain metastases; however, effective systemic treatment options are now available. Upon suspicion of brain metastases, diagnostic staging with brain MRI and a neurological investigation are indicated. ⋯ In the case of multiple symptomatic brain metastases, palliative whole-brain radiotherapy is used for treatment, although it has failed to show an overall survival benefit. Increased intracranial pressure and epileptic seizures are addressed with corticosteroids and anticonvulsants. Current clinical studies for melanoma patients with brain metastases are investigating new treatment options such as PD-1 antibodies, combined ipilimumab and nivolumab, combined BRAF inhibitors and MEK inhibitors, and stereotactic radiation in combination with immunotherapy or targeted therapy.
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Basal cell carcinoma (BCC) represents the most common malignant skin tumour in fair-skinned people. Despite low metastatic potential, BCC can cause decisive tissue destruction and disfigurement by invasive growth. In addition to clinical and histologic diagnosis modern imaging techniques as optical coherence tomography and confocal laser microscopy have been introduced. ⋯ For superficial BCCs various topical treatments and photodynamic therapy are available. Inhibitors of the sonic hedgehog pathway have been approved for symptomatic treatment of metastatic BCC and locally advanced BCC inappropriate for surgery or radiotherapy. Detailed knowledge of the clinical spectrum of BCC and an appropriate choice of therapy are mandatory for the successful treatment of BCC.
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A large proportion of patients with plaque psoriasis suffer from psoriatic lesions of the scalp, nails, and intertrigines. These locations can also be soley or predominantly affected. Scalp psoriasis, nail psoriasis, and inverse psoriasis are often perceived as particularly stigmatizing. ⋯ Controlled trials for treatment of inverse psoriasis are scarce. Topical steroids, vitamin D analogues, dithranol, and off-label calcineurin inhibitors are used in clinical practice. This review provides a survey on the clinical presentation and current evidence for treatment of psoriasis in challenging locations.