Spoon finger (toe)

Introduction Spoon-shaped finger (toe): The middle part of the nail is pointed, the edge is lifted up, thinner than normal, and the surface is rough and streaked. Common in iron deficiency anemia, but patients with iron deficiency anemia do not have difficulty swallowing, so iron deficiency is not the only reason, may also be related to B vitamin deficiency, physical fitness, ethnicity and family factors. Occasionally seen in rheumatic fever, high altitude disease. It is characterized by difficulty in swallowing, foreign body sensation in the pharynx, intermittent dysphagia, no pain, and often develops into persistence. Such as loss of appetite, fatigue, palpitations, pale, key finger (toe) and hair loss. Also often accompanied by angular cheilitis, glossitis, smooth tongue, atrophy, nipple disappeared.

Cause

Iron deficiency itself does not cause nail deformity. When iron deficiency occurs, the amount of cystine in the nail is lower than normal, which can cause a spoon finger. This key finger can cause clinical signs, that is, before the test for iron deficiency. It is characterized by difficulty in swallowing, foreign body sensation in the pharynx, intermittent dysphagia, no pain, and often develops into persistence. Such as loss of appetite, fatigue, palpitations, pale, key finger (toe) and hair loss. Also often accompanied by angular cheilitis, glossitis, smooth tongue, atrophy, nipple disappeared.

an examination

Related inspection

Blood routine urine routine

The shape of the nail is flat, even if the nail is centrally sunken, one or two drops of water will not flow down on the deck, so the name is spoon-shaped, which is more obvious on the side of the nail, the texture is weak, the texture is brittle and fragile, the surface is rough, and there are stripes. Matte. This is usually more common in liver blood deficiency, or in iron deficiency anemia. And most of them happen to women. All decks can be affected, often invading several nails, especially thumb nails, and less toenail.

Differential diagnosis

Symptoms of confusing fingers

Not everyone with a spoon-shaped armor has anemia; some children have such symptoms on their big toes, but this spoon-shaped nail can disappear on its own.

Convex armor: The center of the nail surface is obviously raised above the circumference, and the end of the nail is drooping. Like a shell or an inverted spoon, there is a slight concave point on the surface of the light. The color of the nail is slightly white, and the color of the nail is white. Partial powder.

Concave: The nail is concave, which means that there are some horizontal stripes, vertical stripes and spots on the nails.

White A: The nails show white symptoms, which are divided into white nails, white nails, and white nails.

The nails are very short, and the women in the quadrilateral shape have gynecological diseases and thus affect fertility. The nails are very short, and the quadrangular person has a heart system disease. If the nail is cyan, it has cardiovascular neurosis, and if it turns into a cyan or purple color, it means that the heart disease has deteriorated.

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