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
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