By Gary M. White, MD
An excellent review of umbilical and periumbilical dermatoses may be found at JAAD 2015;72;1066-73.
Red and Scaly
Psoriasis. Red, scaly plaques in a patient with psoriasis.
Seborrheic Keratosis. These "age spots" may occur anywhere, including the umbilicus.
Sister Mary Joseph's Nodule
Perforating Pseudoxanthoma Elasticum
Umbilical growth in an infant. The umbilical grown in an infant may represent a pyogenic granuloma, umbilical mucosal polyp [JAMA Derm 2017;153;597], patent urachus or an umbilical hernia.
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