(One) in cancer of skin of base cell cancer 80% it is base cell cancer, inchoate diagnose and treatment is proper, can cure completely. By its histology configuration can divide for the following 3 model: ① skin issues base cell cancer: Exterior skin but complete, yi Ke companion has ulcer. In cancerous mew central antrum having bag is formed, the cancer cell all round bursa antrum often produces vacuole denaturation. Cancer cell can show tubal shape or gland shape structure, arrange an all alone shape, meshy or islands shape. ② expresses cancer of cell of shallow ulcer base: Often be much hair sex, cancerous mew shows materiality conglomeration shape, mew shape or all alone shape, infiltrate to deep by base layer. Cancer of cell of form of ③ base scale: Tumor becomes minute of composition by two kinds, namely mew of cancer of cancer of cell of squamate inside base cell cancer form and horn are changed bead.

(2) in cancer of skin of cancer of scale form cell 20% it is scale cancer, inchoate cure is expected to cure self-evident, but the risk that it diffuses outwards is quite big, in the person that the United States dies every year because of skin cancer, as a result of,basically be scale cancer. This cancer grows to be in in trunk, have very tall move tendency likewise. Cancer cell submits tit shape, mew form, all alone shape or gland shape structure, can infiltrate to dermal depth or subcutaneous tissue. By cancer cell differentiation degree cent is 4 class. I class: For differentiation mature scale form cell has the bridge between the cell and cancer bead, cancerous bead regards feature of cancer of scale form cell as sexual structure, it is the part that forms by homocentric sex changes cancer cell composition. Ⅱ class: It is bases with spine cell, have obvious surprise sex, include cellular bulk to increase, nuclear size differs, photograph of dissension of differ, nucleus sees coloring depth more, cancerous bead is scarce, and in the center of its angular change not complete. Ⅲ class: Cellular become divided is poor, major cell forms cuticular layer disorder, cellular bulk increases. The nucleus is big and different apparent, nuclear dissension photograph sees more, without cancerous individual plant, but individual cell shows horn to change undesirable. Ⅳ class, to did not split up model, without spine cell, also do not have the bridge between the cell and cancerous individual plant. Cancer cell is small and the form that show shuttle, the nucleus is long and thin and coloring is deep, companion has necrotic with structure of false gland shape.

(3) other blame melanin cancer of tumour sex skin

1. Cancer of kubla khah gland: The skin that picture of vivid check organization shows differentiation level is different is accessary organic gland cancer, differentiation has the structure of kubla khah gland with better growth goodly, top oar secretes existence, too iodic acid is electropositive. Cancer of kubla khah gland but local soak, to area lymphatic carry forward moves, sometimes the patient can be sent at tumor extensive to death.

2. Cancer of small sweat gland: Different histology picture is cent of small sweat gland: Sex of small cyst of; of cancer of transparent cell of; of cancer of small sweat gland of mucous membrane of; of cancer of small sweat gland of shape of canal of; of cancer of aperture of sweat of small sweat gland is accessary organic cancer.

3. Sebaceous glands cancer: Sebaceous glands cancer is not common, in all skin tumour, its occurence rate occupies 0.2% ～ only 4.6% . The sebaceous glands cell that histology picture shows a few become divided are good comprises a lot of irregular flocculus, mix among them have catch greatly, the cell of not typical sebaceous glands of polymorphous nucleus.

4. The skin former a cancer: Inside cortex of watch of be confined to of cancerous kitchen bureau, base film is complete nondestructive. Whole and cuticular layer is added thick, embedded arrange disorder not typical cell, unclear, the surface is angular change excessive change with horn not complete. Spine cell layer is apparent fleshy. Bulk of whole layer cell all increases a different sex, nuclear size is differ, configuration each different, coloring depth not divide evenly.

5. The Paget outside mammary gland is ill: Visible cell volume is larger inside skin, show a circle or elliptic, brains is rich and bright, the special cell with the nucleus is big and deep coloring, call Paget the cell, it can come loose to gather into mew shape in distributinging Yike, occasionally or form gland shape structure, but all basic level of be confined to is the following.

　　 Small make up recommend: Whether do you know how judgement has skin cancer? [The detail looks please >> >>Graphic: How to identify skin cancer]

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(the exercitation edits: Chen Junqi)