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VisualDx is used in 2,300 hospitals and clinics, and is used for teaching in over 90 US medical schools. It is sold as a yearly or monthly subscription service [1] and a 30-day free trial is available. [3] VisualDx is produced by a company of the same name based in Rochester, New York.
Dermatology Unilateral nevoid telangiectasia presents with fine thread veins , typically over a segment of skin supplied by a particular nerve on one side of the body. [ 1 ] It most frequently involves the trigeminal , C3 and C4 , or nearby areas. [ 1 ]
Dermatology Disseminated superficial actinic porokeratosis (DSAP) is a non-contagious skin condition with apparent genetic origin in the SART3 gene. [ 1 ] : 533 It most often presents in sun-exposed areas of the body.
Dermatology A venous lake (also known as phlebectasis [ 1 ] ) is a generally solitary, soft, compressible, dark blue to violaceous, 0.2- to 1-cm papule commonly found on sun-exposed surfaces of the vermilion border of the lip, face and ears.
Dermatology Grover's disease ( GD ) is a polymorphic, pruritic , papulovesicular dermatosis characterized histologically by acantholysis [ 2 ] : 529 with or without dyskeratosis. [ 3 ] Once confirmed, most cases of Grover's disease last six to twelve months, which is why it was originally called "transient".
The congenital erosive and vesicular dermatosis histopathologic results vary according to the disease's stage. [4] Epidermal necrosis, subepidermal vesiculation, and an eroded epidermis with a primarily neutrophilic or mixed (containing eosinophils, histiocytes, lymphocytes, and neutrophils) dermal infiltration have all been reported in early inflammatory lesions. [3]
As of yet, the precise etiology of necrolytic acral erythema remains unknown. Numerous causes, including hepatic dysfunction, hypoglucagonemia, hypoalbimunemia, hypoaminoacidemia, zinc deficiency, and diabetes with or without an underlying hepatitis C viral infection, have been postulated as part of the multifactorial pathophysiology of necrolytic acral erythema.
Dermatology Palisaded neutrophilic and granulomatous dermatitis ( PNGS ) is usually associated with a well-defined connective tissue disease , lupus erythematosus or rheumatoid arthritis most commonly, and often presents with eroded or ulcerated symmetrically distributed umbilicated papules or nodules on the elbows.