Distal subungual onychomycosis ... plate lifting and separation Proximal subungual onychomycosis is an uncommon type that starts at the base within the nail matrix and migrates toward the end.

The clinician who examines the nail suspects a possible nail matrix nevus ... that extends from the proximal edge in a linear fashion, widening gradually toward the distal edge.

of our study showed stacking of atypical melanocytes in the suprabasal layers of the nail matrix, with the distal matrix displaying more pronounced stacking pattern compared with the proximal ...

with the proximal matrix forming the dorsal nail plate, while the nail bed forms the ventral nail plate. Additionally, the distal part of the nail matrix includes the protruding white crescent ...

Problems with the distal matrix will thus cause ridging or splitting of the nails due to the disturbance of the deeper layers. On the other hand, the proximal nail matrix generates the superficial ...

Every dermatologist has examined a pigmented nail ... with pigmentation of the distal matrix, while dorsal plate pigment suggests that the pigment originates in the proximal matrix).

An x-ray of the distal digit should be performed ... with microscopic examination of both the nail plate and the biopsy specimen from the underlying nail matrix and/or nail bed.

onycholysis or V-shaped distal nicking. “The nail abnormality typically extends linearly from the proximal nail matrix to the end of the nail, with a characteristic focal subungual keratotic ...

Leukonychia striae are white splotches caused by minor trauma to the nail matrix (Figure ... and half nails, the proximal portion is white (edema and anemia) and the distal portion is dark.