Carcinoma in-situ Carcinoma which has not progressed beyond the basement membrane of the tissue in question. Carcinoma, invasive Carcinoma which has broken through the basement membrane and infiltrated into other contiguous tissue. An invasive carcinoma is also said to have undergone metastasis. Carcinoma, small cell undifferentiated A particular type of carcinoma consisting mainly of small cells whose original tissue type is not recognizable microscopically. The burning of tissue, by the application of extreme heat or a strong electrical charge.
Cautery is used to seal a wound in tissue, to collect a biopsy, or to perform an excision.
To perform a cautery procedure is to cauterize tissue. A precursor to squamous cell carcinoma of the cervix. CIN, dysplastic changes have begun at the basement membrane of the tissue, but have not quite extended to the most superficial layer of squamous cells in the cervix. A high-grade lesion in which premalignant cell changes have extended from the basement membrane of the tissue to the cell layer immediately below to the most superficial cell layer. When the changes have extended to include the most superficial cell layer as well, the lesion is called carcinoma in-situ .