Koebner's phenomenon refers to the development of skin lesions at the site of trauma in individuals with certain skin conditions. It is most commonly associated with psoriasis, where new psoriatic plaques can form following skin injury or trauma.

Cherubism is not characterized by unilocular lesions; it is typically bilateral.

Chemotherapy can be successful in the treatment of leukemia.

Paraesthesia of the tongue is not a complication of therapeutic radiation.

Endocrine disorders are absent in CREST syndrome.