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Cutaneous squamous-cell carcinoma (cSCC), also known as squamous-cell carcinoma of the skin or squamous-cell skin cancer, is one of the three principal types of skin cancer, alongside basal-cell carcinoma and melanoma. [10] cSCC typically presents as a hard lump with a scaly surface, though it may also present as an ulcer. [1]
This is a shortened version of the twelfth chapter of the ICD-9: Diseases of the Skin and Subcutaneous Tissue. It covers ICD codes 680 to 709 . The full chapter can be found on pages 379 to 393 of Volume 1, which contains all (sub)categories of the ICD-9.
Excision or destruction of lesion or tissue of skin and subcutaneous tissue Other local excision or destruction of lesion or tissue of skin and subcutaneous tissue Radical excision of skin lesion Suture or other closure of skin and subcutaneous tissue Free skin graft Free skin graft, not otherwise specified
Once the lesion has grown and progressed to the point where it has breached, penetrated, and infiltrated adjacent structures, it is referred to as "invasive" squamous-cell carcinoma. Once a carcinoma becomes invasive, it is able to spread to other organs and cause the formation of a metastasis , or "secondary tumor".
Skin biopsy is a biopsy technique in which a skin lesion is removed to be sent to a pathologist to render a microscopic diagnosis. It is usually done under local anesthetic in a physician's office, and results are often available in 4 to 10 days. It is commonly performed by dermatologists. Skin biopsies are also done by family physicians ...
A clinical margin which includes areas around the lesion site is marked out, and local anesthesia or numbing medicine is applied. A curette, consisting of a fenestrated head with a semi-sharp blade, is used to debride the malignant tumour. This is done by mechanically scraping or peeling at the lesion until all cancerous tissues are removed.
The resection is an attempt to remove a cancer tumor so that no portion of the malignant growth extends past the edges or margin of the removed tumor and surrounding tissue. These are retained after the surgery and examined microscopically by a pathologist to see if the margin is indeed free from tumor cells (called "negative").
Marjolin's ulcer refers to an aggressive ulcerating squamous cell carcinoma presenting in an area of previously traumatized, [1] chronically inflamed, [2] or scarred skin. [3]: 737 [4] They are commonly present in the context of chronic wounds including burn injuries, varicose veins, venous ulcers, [5] ulcers from osteomyelitis, [6] and post radiotherapy scars.