The appearance of the ulcer is worm-like

Introduction

Introduction

Can be seen in basal cell carcinoma, 85% of patients occurred in the head and neck exposure site, palmar and mucosal rare skin lesions, usually single but also occurred several or even most, basal cell carcinoma early manifestations of local skin slightly raised, light yellow Or pink nodules are only needle or mung bean size, are translucent nodules, hard, with a thin epidermis, with telangiectasia but no pain or tenderness. The lesion is located deep in the epidermis, and the surface is slightly sunken and loses normal skin. Gloss and texture, after several months or years, the appearance of scaly desquamation, after repeated crusting, scaling, ulceration, oozing. When the lesion continues to increase, a superficial ulcer is formed in the middle, and the edge is uneven and eclipse-like.

Pathogen

Cause

Skin ulcers are generally localized skin tissue defects caused by trauma, microbial infections, tumors, circulatory and neurological dysfunction, immune dysfunction or congenital skin defects. Traumatic ulcers are often caused by physical and chemical factors acting directly on tissues. Microbial infectious diseases are caused by bacterial fungi, spirochetes, viruses, etc., which cause tissue destruction, nodules or tumor rupture, and vascular inflammatory ulcers caused by immune abnormalities. It is formed by necrosis of tissue due to arterial or arteritis. Circulatory or neurological dysfunction is caused by dystrophic tissue necrosis such as varicose veins, leprosy, ulcers, etc.

Examine

an examination

Related inspection

Skin fungal microscopic examination of pathogens of skin and tissue parasites

More common in scar cancer, local irritation and hypersensitivity in the scarring area, ulceration after the scar is damaged, or gradually enlarged by the small papules, gradually bulging on the edge of the long-term unhealed ulcer, keratinization or Changes in papillary hyperplasia. The appearance of the ulcer is crater-like, cauliflower-like and worm-like. It is easy to bleed, and the surface can be covered with pus moss and the secretion is stench.

Diagnosis

Differential diagnosis

More common in scar cancer, local irritation and hypersensitivity in the scarring area, ulceration after the scar is damaged, or gradually enlarged by the small papules, gradually bulging on the edge of the long-term unhealed ulcer, keratinization or Changes in papillary hyperplasia. The appearance of the ulcer is crater-like, cauliflower-like and worm-like. It is easy to bleed, and the surface can be covered with pus moss and the secretion is stench.

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