A case of multiple trichoepithelioma with an unusual appearance.
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A philosophy of reconstruction after removal of cutaneous neoplasms from the face is presented and differences in reconstruction required after Mohs' fixed-tissue and fresh-tissue techniques are discussed. The indications for repair at once or later of facial defects after Mohs' procedures are reviewed and reconstructive alternatives are presented. Illustrative case reports of such cases that have been reconstructed are recounted and commented on. It is likely that the practice of the fresh-tissue technique will stimulate more interest in reconstructing facial defects resulting from that type of operation immediately, or at least sooner than later.
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Excisions from the face are performed to cure diseases and to remove blemishes. Satisfactory cosmetic appearances can be achieved in most cases, even when large defects result from the excisions, if the surgeon employs cosmetic surgical principles and techniques in the repairs. Some esthetic concepts and artful methods are presented to illustrate this feasibility.
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The persistence (clinical recurrence) of tumor following excision by Mohs surgery may not solely be due to biologic properties of the neoplasm such as multifocality. Various technical difficulties intrinsic to the technique that may contribute to recurrence are discussed and illustrated.
A 51-year-old man with microcystic adnexal carcinoma of the face is reported. In addition to extensive soft tissue invasion by the cancer, there was direct bone invasion into the marrow of the mandible as well as perineural spread along the mental and inferior alveolar nerves. This represents the first case of microcystic adnexal carcinoma with documented bone invasion. Recognition of the aggressive nature of this cancer with potential for invasion into the skull is important for proper evaluation and treatment.
BACKGROUND: Aesthetic facial reconstruction requires understanding regional anatomy and tissue movement and the ability to use innovatively the tissue adjacent to the defect to create a reconstruction that preserves the function of the area and the cosmetic facial units. OBJECTIVE: Facial reconstruction after Mohs micrographic resection of nonmelanoma skin cancer confined to one cosmetic unit was compared with reconstruction of two or more units using techniques to place scars at the junction of cosmetic units with combinations of local flaps and grafts. Acute complications, function, and final appearance of the reconstruction were evaluated. METHODS: During a 10-year period, 500 cases acquired prospectively had facial surgical defects repaired. Tissue was removed to place the closure line at the junction of cosmetic units and was mobilized from within one cosmetic unit with primary closure or local advancement, rotation, or transposition flaps. When the defect bridged cosmetic units, segmental repair was performed with combinations of flaps and grafts placing scars at the junction of cosmetic units. Segmental repair often combined advancement flaps to restore contours with full-thickness skin grafts to prevent distortion in areas with minimal loss of contour. Scars were more often unfavorably placed with single flap repair within a cosmetic unit. There was more flap loss with single flap repair of a single unit than with segmental facial repair using a combination of flaps and/or grafts. CONCLUSION: Segmenting the wound into smaller units reflecting the underlying cosmetic units of the face was useful to develop a reconstruction plan to replace tissue with similar tissue and to provide consistently satisfying aesthetic results. Facial contours were restored without distorting surrounding structures.
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This article reports the epidemiological characteristics and the possible contributing etiology of oral cavity cancer in Taiwan. Data on oral cavity cancer from the period between 1986 and 1997 were compiled from the Taiwan Cancer Registry Annual Report. The amount of average annual consumption per person of cigarettes, alcohol and betel nut were extracted from the Annual Report of Taiwan Tobacco and Wine Monopoly Bureau and the Agriculture Counsel of Taiwan. The incidence of oral cavity cancer increased annually. Both the total and male incidence have increased substantially since 1993. Regarding the peak incidence, most cases were seen in the sixth to eighth decades of life. Multiple regression models indicated that 86.2% variation in the incidence of oral cavity cancer was explained by the annual average betel nut consumption per person. These results imply that those who chew betel nut belong to a high-risk group and require special consideration and attention regarding health education and health promotion.
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