نتایج جستجو برای: palmoplantar
تعداد نتایج: 1512 فیلتر نتایج به سال:
Keratin 16 (K16) is a cytoskeletal scaffolding protein highly expressed at pressure-bearing sites of the mammalian footpad. It can be induced in hyperproliferative states such as wound healing, inflammation and cancer. Here we show that the inactive rhomboid protease RHBDF2 (iRHOM2) regulates thickening of the footpad epidermis through its interaction with K16. K16 expression is absent in the t...
Olmsted syndrome (OS) is a rare congenital skin disorder characterized by severe palmoplantar and periorificial keratoderma, alopecia, onychodystrophy, and severe pruritus. Recently, pathogenic 'gain-of-function' mutations of the transient receptor potential vanilloid 3 gene (TRPV3), which encodes a cation channel involved in keratinocyte differentiation and proliferation, hair growth, inflamma...
Hyperhidrosis, or abnormally increased sweating, is a condition that may have a primary or secondary cause. Usually medication- induced secondary hyperhidrosis manifests with generalized, rather than focal sweating. We report a 32-year-old woman with a history of palmoplantar hyperhidrosis for 15 years who presented for treatment and was prescribed oral glycopyrrolate. One month later, the palm...
Sorafenib is a new oral drug currently approved for the treatment of metastatic renal cell carcinoma and hepatocellular carcinoma. The drug acts partly by inhibiting the tyrosine kinase receptors implicated in angiogenesis and tumor progression, and partly by blocking Raf kinase pathways. Up to 90% of patients receiving this treatment are reported to develop dermatological sideeffects. Hyperker...
Palmoplantar keratodermas (PPKs) represent a diverse group of hereditary and acquired disorders characterized by hyperkeratosis of the skin on the palms and soles [1]. The three major patterns of involvement are diffuse, focal and punctate. There are clinical distinguishing features for each disease in this group, for example, transmigration to areas beyond the palmoplantar skin. Also the exten...
Pachyonychia congenita is a rare type of ectodermal dysplasia further classified into 4 types. Cutaneous manifestations seen in most of the cases of Pachyonychia congenita include palmoplantar keratoderma, follicular hyperkeratosis, wedge shaped nails, oral leukokeratosis and woolly hair. A 25-year-old male presented to us with thickened nails and scanty scalp hair. On examination, we noticed h...
The side effects of chemotherapy drugs have increased in recent years, and some side effects can lead to onychomadesis. A 72-year-old woman who was diagnosed with an invasive ductal carcinoma of the right breast underwent a modified radical mastectomy in April 2015, followed by chemotherapy with capecitabine and nanoparticle albumin-bound paclitaxel (nab-paclitaxel). Subsequently, the patient e...
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