Callus

Introduction Callus (callosity) is also known as the old man. It is a local flattened keratinous hyperplasia of the skin of the hands and feet caused by long-term compression and friction of the skin. It is a protective reaction of the body. Generally, there is no obvious discomfort. It usually has no effect on health and work. It can be dispelled after the cause is removed. Chinese medicine is also called , commonly known as Scorpion, foot pad. For example, "The Sources of Diseases" is recorded in the hand and foot: "The human hand and foot suddenly have thick skin and are as short as a scorpion, which is called sputum." The cause of Chinese medicine is that it is long-term friction and compression of the hands and feet, and the blood is not running smoothly. Lost out of it. basic knowledge Sickness ratio: 0.1% Susceptible people: no special people Mode of infection: non-infectious Complications: corns

Cause

Friction and compression (40%):

It is a hard and smooth keratin thickening caused by long-term compression and friction of the skin. It is a reflective protective response of the skin to long-term mechanical friction, and generally does not affect health and labor.

Foot deformity (30%):

Foot deformity refers to the abnormality of the shape or structure of the foot. The shape of the normal human foot is maintained by the symmetrical external muscle and the internal muscle. Some congenital or superficial disease causes the deformity of the foot. Foot deformity is another major cause of paralysis.

Prevention

Remove the cause and avoid long-term compression and friction. Timely treatment of sputum damage. Everyday should reduce local friction and squeezing, wear suitable soft-soled shoes, or use soft insoles. Pay attention to the combination of work and rest, strengthen labor protection, and wear gloves when working. The patient should wear a pair of shoes, the sole should be elastic and soft, and a soft, elastic foam pad can be placed on the shoe to reduce the friction of the shoe to the toe.

Complications Complications

In severe cases, there may be mild tenderness.

Symptoms Common symptoms Heel pain Gesture autonomic palm and toe skin... Horseshoe

Most occur in the weight of the foot, such as the heel, the skin below the first and fifth metatarsal heads, generally painless, if the foot deformity, can occur in the corresponding weight, such as the flat foot collapsed under the cross, It occurs from the 2nd to 4th humeral heads; the sputum of the clubfoot often occurs on the lateral side of the foot, and the sputum only occurs when the deep part changes.

Awkward inspection

an examination

Histopathology: excessive keratinization, thickening of the granules, flattening of the dermal papilla, and mild inflammatory response of the dermis.

Pathological examination: A pathological morphological method used to examine pathological changes in organs, tissues or cells of the body. In order to investigate the pathogenesis of organs, tissues or cells, a pathological examination method can be used to examine the pathological changes, to explore the causes, pathogenesis, pathogenesis and development of the lesions, and finally to make pathology. diagnosis. Pathological morphology examination method, first observe the pathological changes of the gross specimen, and then cut a certain size of the diseased tissue, pathological histological method to make a pathological section, further examination of the lesion with a microscope.

Diagnostic diagnosis

diagnosis

Diagnosis can be made based on medical history and clinical manifestations.

Differential diagnosis

1. : The normal skin lines on the surface disappeared, and the keratinous hyperplasia was thorny, showing black spots. Mostly taupe, not limited to the compression site, the compression on both sides is obvious.

2. Congenital palmoplantar keratosis: a congenital disease, from childhood onset to puberty thickening, symmetrical diffuse keratin thickening and other abnormalities such as hair keratin, clinical treatment is difficult.

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