dermo-, derm-, derma-, dermato-, dermat-, -derm, -derma, -dermatic, -dermatous, -dermis, -dermal, -dermic, -dermoid, -dermatoid
2. A tuberculous or non-tuberculous mycobacterial infection affecting children and young adults, representing direct extension of tuberculosis into the skin from underlying structures; such as, lymph nodes (especially the cervical), bone or lung or by contact exposure to tuberculosis.
It is manifested by the development of painless subcutaneous swellings that evolve into cold abscesses, multiple ulcers, and draining sinus tracts.
Seborrheic dermatitis is characterized by dry, moist, or greasy scales and by crusting yellowish patches, remissions, exacerbations, and itching.