Skin problems on and around the umbilicus

Links to pages about skin conditions that favour the umbilicus.

• Congenital malformations
• Acquired malformations
• Skin diseases
• Infections
• Benign tumours
• Malignant tumours
• Signs of systemic disease

Congenital malformations

Congenital malformations are not usually primarily cutaneous.

• Malformations of the omphalomesenteric duct
• Urachal malformations
• Abdominal wall defects
• Hernia
• Granulation tissue after cord separation
• Supernumerary nipple

Acquired malformations

• Hernia
• Omphalitis due to leukocyte adhesion deficiencies
• Angiokeratomas associated with Fabry disease
• Pseudoxanthoma elasticum

Skin diseases

• Contact allergy to nickel
• Linear IgA dermatosis
• Pemphigoid gestationis

Infections

• Omphalitis
• Strongyloidiasis
• Cutaneous larva migrans
• Rose spots of typhoid fever
• Burrows of scabies
• Condyloma lata of secondary syphilis

Benign tumours

• Endometriosis
• Any other benign skin lesion

Malignant tumours

• Sister Mary Joseph nodule
• Any other skin cancer

Signs of systemic disease

• Red umbilicus in babies with cow's milk protein intolerance
• Red umbilicus associated with gangrenous bowel or peritonitis
• Umbilical ecchymosis (Cullen sign) in haemorrhagic pancreatitis, ruptured ectopic pregnancy or any cause of retroperitoneal bleeding
• Primary systemic amyloidosis
• Crohn disease
• Radial dilation of veins due to portal hypertension