Discoloration of the face, neck and hands
A man taking an alternative medical treatment for periodontal disease presents with a history of skin discoloration.
Diagnosis & Disease Information
Dystrophies of the nail
Two patients present with dystrophies of the nail—one with a several-year history of yellowed toenails and the other with grooved thumbnails.
Arm lesions spread to the trunk and neck
Asymptomatic erythematous papules on the arms, trunk, and neck are first thought to be insect bites in a man with weight loss, fatigue, and dyspnea.
Red lesions on the extremities
Two women present with similar red lesions on the extremities—one thought she had ringworm, and the other became severely ill after getting several vaccinations.
Bilateral netlike rash on the lower legs
To combat cold temperatures at work, a woman kept a small heater under her desk. This led to netlike
erythema on both lower legs.
Vesicle on the lip after intense sun exposure
A man presents with a six-month history of oral lesions that led to blistering and ulceration following intense sun exposure.
Cutaneous lesions
Two patients present with similar cutaneous growths—one a series of ulcerative lesions on the lower leg, and the other a painless forearm lesion.
Tender, edematous, red plaques on a woman’s hands and feet
One month after starting a new chemotherapeutic drug, the patient sought treatment for painful peeling and redness on her hands and feet.
Exposure to moisture leads to palmar rash
A woman presents with a painful rash that developed immediately after exposure to water or sweating and
disappeared an hour after drying.
Kitchen work worsens pruritic hand lesions
A restaurant employee’s intensely itching and burning hand lesions worsened after he was assigned to work in the kitchen.
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