Plummer's nail
Encyclopedia
Plummer's nail is a clinical sign
in which there is onycholysis
, or separation of the nail
from the nail bed, particularly affecting the ring
and little finger
s. It occurs in patients with thyrotoxicosis.
The sign is named after Henry Stanley Plummer
.
Medical sign
A medical sign is an objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient....
in which there is onycholysis
Onycholysis
Onycholysis refers to the detachment of the nail from the nail bed, starting at its distal and/or lateral attachment. It is said to occur particularly on the ring finger but can occur on any of the fingernails. The most common cause of onycholysis is psoriasis. It can also occur in thyrotoxicosis...
, or separation of the nail
Nail (anatomy)
A nail is a horn-like envelope covering the dorsal aspect of the terminal phalanges of fingers and toes in humans, most non-human primates, and a few other mammals. Nails are similar to claws, which are found on numerous other animals....
from the nail bed, particularly affecting the ring
Ring finger
The ring finger is the fourth digit of the human hand, and the second most ulnar finger, located between the middle finger and the little finger. It is also called digitus medicinalis, the fourth finger, digitus annularis, digitus quartus, or digitus IV in anatomy.- Etymology :According to László A...
and little finger
Little finger
The little finger, often called the pinky in American English, pinkie in Scottish English , or small finger in medicine, is the most ulnar and usually smallest finger of the human hand, opposite the thumb, next to the ring finger.-Muscles:There are four muscles that...
s. It occurs in patients with thyrotoxicosis.
The sign is named after Henry Stanley Plummer
Henry Stanley Plummer
Henry Stanley Plummer, M.D. was a prominent internist and endocrinologist who, along with Drs. William Mayo, Charles Mayo, Stinchfield, E. Starr Judd, Christopher Graham, and Donald Balfour founded Mayo Clinic. Dr...
.