Table 3. Cutaneous conditions of the umbilicus that may mimic periumbilical streptococcal dermatitis

 

Infections (Omphalitis)

Bacterial

Periumbilical Staphylococcus

Periumbilical Streptococcus

Fungal

Candidal intertrigo

Tinea corporis

 

Neoplasms

Basal cell carcinoma (superficial)

Extramammary Paget disease

Mycosis fungoides

Squamous cell carcinoma in situ (Bowen disease)

 

Other conditions

Cosmetic accoutrements with secondary impetiginization or infection

Iatrogenic or self-induced dermatoses

Omphalolith (belly-button bezoar) with secondary eczematization

 

Papulosquamous disorders

Dermatitis

Allergic contact

Irritant contact

Psoriasis vulgaris