Pityriasis Circularis

Round pityriasis PityriasisRotunda, also known as pityriasiscircinata, is a rounded or elliptical brown or pale brown border with mild keratotic scaly plaques that occur on the trunk and have mild symptoms. basic knowledge Probability ratio: skin allergies related symptoms, 70% of the population can appear Susceptible people: Most of them are young and middle-aged, and more common in 20 to 40 years old. Mode of infection: non-infectious Complications: simple pityriasis

Round measles cause

It is not clear that systemic diseases such as tuberculosis, cancer, heart disease, cirrhosis, malnutrition and pregnancy can stimulate the disease.

Tuberculosis (25%):

Tuberculosis is a chronic infectious disease caused by infection with Mycobacterium tuberculosis. Tuberculosis may invade various organs of the body, but mainly invades the lungs, called tuberculosis. Tuberculosis, also known as rickets and "white plague", is an ancient infectious disease that has been tuberculosis since its inception.

Heart disease (25%):

Heart disease is a relatively common type of circulatory disease. The circulatory system consists of the heart, blood vessels, and neurohumoral tissue that regulates blood circulation. Circulatory diseases, also known as cardiovascular diseases, include diseases of all the above-mentioned tissues and organs, which are common diseases in medical diseases, among which heart disease is the most common. Can significantly affect the patient's workforce.

Cirrhosis of the liver (20%):

Cirrhosis is a clinically common chronic progressive liver disease with diffuse liver damage caused by long-term or repeated action of one or more causes. In China, most of them are post-hepatitis cirrhosis, and a small part is alcoholic cirrhosis and schistosomiasis cirrhosis.

Pathogenesis

The pathogenesis is still unclear, and it is considered to be a subtype of ichthyosis based on family genetics.

Round pityriasis prevention 1. Maintain an optimistic and happy mood. Long-term mental stress, anxiety, irritability, pessimism and other emotions will make the balance of the cerebral cortex excitatory and inhibition process imbalance, so you need to maintain a happy mood. 2, life restraint pay attention to rest, work and rest, life orderly, maintain an optimistic, positive, upward attitude towards life has a great help to prevent disease. Do the regularity of tea and rice, live daily, not overworked, open-minded, and develop good habits.

Round pityriasis complications Complications, simple pityriasis

Simple pityriasis.

Round pityriasis symptoms common symptoms dry skin scaly rash malignant acne

Most of the first time in young adults, more common in 20 to 40 years old, but also in young and old people, the rash is a large or larger round or oval gray or pale brown spots from the fingernail to the palm, the surrounding realm Clear, no obvious inflammation, dry surface, covered with thin scaly scales, can be single or multiple, generally less than 10, but there are as many as 150, several skin lesions can be merged into petal shape or more Ring, the course of the disease is slow, often can exist for several years to several decades, usually spontaneously subsided, but can be re-issued, skin lesions occur in the waist and abdomen, chest and back and hip are rare, can also be seen in the upper arm, shoulder and neck Department, but the armpits, groin, face and hands and feet are not involved, generally no symptoms, the disease is heavy in winter and light in summer.

Round pityriasis check

Histopathology: mild hyperkeratosis of the epidermis, accompanied by perivascular infiltration of dermal lymphocytes and histiocytes.

Diagnosis of round pityriasis

diagnosis

According to typical clinical manifestations, histopathological changes are not difficult to diagnose.

Differential diagnosis

1. Facial plaque: more common in summer, fungal microscopy is helpful for diagnosis.

2. Squamous follicular keratosis: The black spot with the size of the needle is the same as the hair follicle, and the round leaf-like scales around the center of the adhesive are stained brown.

3. Patchy psoriasis: Histopathology can be identified.

4. Others: such as body lice, red mites, leprosy, fixed drug eruptions and white pityriasis.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.