What does flagellate erythema look like?
What does flagellate erythema look like?
Flagellate erythema is a distinctive eruption characterized by “whip-like” linear or curvilinear streaks and plaques, occurring mainly on the trunk. It has classically been described in 2 disparate clinical settings: chemotherapy with bleomycin and ingestion of mushrooms (most commonly Shiitake mushrooms).
How do you treat flagellate erythema?
Addressing the symptom of itch is the main treatment measure. Systemic steroids such as prednisone or dexamethasone appear to delay the onset of the rash, and may also aid in speeding its resolution. Heat in an area previously affected by flagellate erythema has caused recurrence, called heat-induced recall.
How long does flagellate erythema last?
Flagellate erythema associated with other drugs such as peplomycin (a bleomycin derivative) and docetaxel and with adult Still’s diseases, dermatomyositis, and HIV infection must be listed as differential diagnosis [9, 10]. The disease disappears spontaneously within up to 2 weeks [11].
How do you get dermatomyositis?
The cause of dermatomyositis is unknown, but the disease has much in common with autoimmune disorders, in which your immune system mistakenly attacks your body tissues. Genetic and environmental factors also might play a role.
What causes flagellate?
Flagellate erythema is characterized by linear erythematous streaks with hyperpigmentation. The condition is a characteristic side effect of bleomycin, an antineoplastic sulphur-containing antibiotic developed in the 1960s, and might also occur after consumption of raw or undercooked shiitake mushrooms.
What kind of rash looks like scratches?
Flagellate erythema. The rare skin condition flagellate erythema can sometimes cause scratch-like marks. It’s a rash that often follows chemotherapy, but can also be caused by other factors, such as eating shiitake mushrooms.
What blood tests indicate dermatomyositis?
Dermatomyositis is usually diagnosed with blood tests and biopsies of your skin and muscles. Your provider will test your blood for: Increased amounts of specific muscle enzymes that means something is damaging them. Autoantibodies (cells that show your immune system is reacting to something it detects as harmful).
How do doctors test for dermatomyositis?
Skin or muscle biopsy. A skin sample can help confirm the diagnosis of dermatomyositis. A muscle biopsy might reveal inflammation in your muscles or other problems, such as damage or infection. If the skin biopsy confirms the diagnosis, a muscle biopsy might not be necessary.
What is flagellate dermatitis?
What is shiitake flagellate dermatitis? Shiitake dermatitis is a distinctive rash that can occur following the ingestion of raw or undercooked shiitake mushrooms (Lentinula edodes). It is characterised by pruritic, erythematous, linear streaks that resemble whiplash marks, hence the name flagellate.
How do you treat shiitake mushroom rash?
Shiitake dermatitis is usually a self-limiting condition that resolves over several weeks and treatment with oral corticosteroids is generally not necessary. There have however been reports of rapid resolution of pruritus with short-term psoralen ultraviolet A (PUVA) phototherapy.
What test can be used to confirm a diagnosis of dermatomyositis?
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