koilonychia


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koilonychia

 [koi″lo-nik´e-ah]
dystrophy of the nails in which they are abnormally thin and concave from side to side, with the edges turned up.
Koilonychia. From Dorland's, 2000.

koi·lo·nych·i·a

(koy'lō-nik'ē-ă),
A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils.
Synonym(s): spoon nail
[G. koilos, hollow, + onyx (onych-), nail]

spoon nail

A rare acquired nail dystrophy seen in bronchiectasis in which the nail bed undergoes atrophy and the nail acquires a central concavity.

koi·lo·nych·i·a

(koy'lō-nik'ē-ă)
A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils.
Synonym(s): spoon nail.
[G. koilos, hollow, + onyx (onych-), nail]

koilonychia

Thin, brittle, concave fingernails. This may result from iron deficiency ANAEMIA or injury to the nail bed. Koilonychia also occurs in the itchy skin disease LICHEN PLANUS and in the rare inherited condition dystrophic epidermolysis bullosa. From the Greek koilos , concave or hollow and onyx , a finger or toenail.
References in periodicals archive ?
Nail changes may appear as early as sixth week7 and consist of leukonychia, distal onycholysis, brittleness, sublingual debris and koilonychias.9 The exact mechanism is unknown.
Other features may include esophagitis, cardiospasm, achlorhydria, nail deformation that includes koilonychias or clubbing, enlargement of spleen and thyroid, splenic tumors, dermatitis, seborrheica, hyperkeratosis, conjunctivitis, keratitis, blepharitis, and visual disturbances [1].
Infants with koilonychia had significantly lower hematocrit (30% vs 34%; P<.005), hemoglobin (9.4 vs 10.7 g/dL; P<.02), and serum iron (50 vs 84 mcg/dL; P<.001) than controls.
Her examination at the time of current visit revealed pallor, koilonychia and angular stomatitis.
However, the more classic symptoms such as oesophageal webs and koilonychia (ridging, splitting and spoon-like concavity of the nails) are extremely rare.
Profound iron deficiency may lead to the development of koilonychia; swallowing difficulties; a smooth, red tongue; and, in rare cases, mild splenomegaly, as seen in children.
Mean length of time that patients had received dialysis was compared with the presence or absence of discoloration (6.8 [+ or -] 5.5 v 5.3 [+ or -] 5.4 years; P=0.047), xerosis (6.6 [+ or -] 5.7 v 4.9 [+ or -] 5 years; P=0.019) and koilonychia (9.7 [+ or -] 5.8 v 5.5 [+ or -] 5.3 years; P=0.01).
You have a condition called koilonychia - or thin, brittle, spoon-shaped nails.
Out of 500 patients 500 (100%) patients have pallor, 134 (26.8%) have bald tongue, 136 (27.2%) have koilonychia, 47 (9.4%) have ejection systolic murmur and 43 (8.6%) have bilateral pedal oedema.
Koilonychia, a classical symptom of iron deficiency anaemia, most common in middle-aged women who have heavy periods.
Glossitis, stomatitis, oesophageal webs and malabsorption reflect direct involvement of the gastrointestinal tract; pica and koilonychia may also be present.