oral lesions in an autistic paediatric patient.
proctitis: A restudy at the University of Minnesota.
Clues to factitial
dermatitis include linearity and unnaturally appearing defects with angulated borders.
The differential diagnosis of a chronic leg ulcer includes venous or arterial ulcers, malignancies (SCC, BCC, lymphoma, melanoma), infectious ulcers (bacterial, deep fungal), pyoderma gangrenosum, and traumatic or factitial
1) Interestingly, the features of neutrophilic lobular and/or septal panniculitis, as in ENL, are also seen in the subcutaneous variety of Sweet's syndrome and needs differentiation from other dermatoses with similar histology (alpha 1-antitrypsin deficiency, factitial
panniculitis, infection, leucocytoclastic vasculitis, pancreatitis, and rheumatoid arthritis).
Possible mechanisms of factitial
injury of the subcutaneous fat include injection, blunt trauma, and temperature change.
The psychogenic purpuras: a review of autoerythrocyte sensitization, autosensitization to DNA, "hysterical" and factitial
bleeding, and the religious stigmata.
However, self inflicted wounds caused by nocturnal clenching or tongue and lip biting, electrical and thermal injuries, hot foods or beverages, and even factitial
injuries yield a similar finding.
Lupus panniculitis with lipoatrophy should be distinguished from lipoatrophy caused by injections, factitial
panniculitis, trauma and other forms of lipoatrophic panniculitis.
Zonuz AT, Treister N, Mehdipour F, Farahani RM, Tubbs RS, Shoja MM: Factitial
The patients most likely to present to a dermatologist are those with delusions of parasitosis, factitial
dermatitis, neurotic excoriations, trichotillomania, and borderline personality disorder.
Indeed, a variety of treatable illnesses can also give rise to cutaneous necrotic ulcers, including staphylococcal, and streptococcal infections such as impetigo and cellulitis, herpes simplex infection, factitial
injury, squamous cell carcinoma, toxicodendron dermatitis (poison ivy), diabetic ulcer, fungal infection, localized vasculitis, erythema nodosum, Stevens-Johnson syndrome, toxic epidermal necrolysis, and other arthropod bites including bites from ticks, triatomid bugs, hymenoptera, blister beetles, crickets, and grasshoppers5, sporotrichosis7, and even Lyme disease8.