proximal nail fold

proximal nail fold

fold of dorsal digital soft tissue, just distal to distal interphalangeal joint; formed 6-8 weeks postconception; differentiates to form nail matrix; distal limit of proximal nail fold is continuous with eponychium
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Although the distal portion of the matrix is typically visible (as the lunula) in the thumb and forefinger, it is concealed under the proximal nail fold in the rest of the fingers and the toes.
Physical examination showed epithelized mass on the nail plate and fistulation from the proximal nail fold to the tip of the toe, epithelization did not occur on the nail plate side of the mass (Figure 1).
The length of a nail was taken to be the greatest distance from the proximal nail fold to the hyponychium as determined clinically by the distal pink color of the nail plate; the width was in turn measured at the midpoint of the measured length.
This cavity can eventually extend to the proximal nail fold under the cuticle.
LISBON-Applying a fast-drying cyanoacrylate glue to the proximal nail fold once or twice weekly is an inexpensive and effective treatment for the habit-tic condition of onychotillomania.
The built-up layer of glue creates a physical barrier that helps protect the proximal nail fold against the patient's mindless repetitive picking, and promotes self-awareness of the tic habit, said Dr.
Hyperpigmentation that extends into the proximal nail fold, known as "Hutchinson's sign," is melanoma until proved otherwise.
A biopsy of the proximal nail fold revealed a nevus as well.
Chronic paronychia is a variety of contact dermatitis that affects the proximal nail fold, so treating it with systemic antifungals is not useful, Dr.
The most significant predictor of progression to systemic scleroderma in a patient with new-onset Raynaud's phenomenon is the presence of capillary abnormalities at the proximal nail fold, according to David H.
Most significant periungual lesions arise in the nail matrix and will extend to the proximal nail fold.
Stubborn cases often respond well to marsupialization or excision of the proximal nail fold, but patients should be warned that it will take time for the nail fold to granulate in.

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