AIM: To achieve symmetric boundaries for left and right breasts boundaries in thermal images by registration. METHODS: The proposed method for registration consists of two steps. In the first step, shape context, an a...AIM: To achieve symmetric boundaries for left and right breasts boundaries in thermal images by registration. METHODS: The proposed method for registration consists of two steps. In the first step, shape context, an approach as presented by Belongie and Malik was applied for registration of two breast boundaries. The shape context is an approach to measure shape similarity. Two sets of finite sample points from shape contours of two breasts are then presented. Consequently, the correspondences between the two shapes are found. By finding correspondences, the sample point which has the most similar shape context is obtained. RESULTS: In this study, a line up transformation which maps one shape onto the other has been estimated in order to complete shape. The used of a thin plate spline permitted good estimation of a plane transformation which has capability to map unselective points from one shape onto the other. The obtained aligningtransformation of boundaries points has been applied successfully to map the two breasts interior points. Some of advantages for using shape context method in this work are as follows:(1) no special land marks or key points are needed;(2) it is tolerant to all common shape deformation; and(3) although it is uncomplicated and straightforward to use, it gives remarkably powerful descriptor for point sets significantly upgrading point set registration. Results are very promising. The proposed algorithm was implemented for 32 cases. Boundary registration is done perfectly for 28 cases.CONCLUSION: We used shape contexts method that is simple and easy to implement to achieve symmetric boundaries for left and right breasts boundaries in thermal images.展开更多
Background: Oncoplastic surgery is becoming more common, however, only several reports have been published in Japan. We report the results of simple oncoplastic surgery for Japanese patients with early breast cancer i...Background: Oncoplastic surgery is becoming more common, however, only several reports have been published in Japan. We report the results of simple oncoplastic surgery for Japanese patients with early breast cancer in the upper quadrant area. Methods: In seven patients with a past history of breast-feeding and ptotic breasts, we performed oncoplastic surgery involving partial mastectomy and the resection of excess skin and parenchymal tissue. Results: None of the patients received a contralateral operation to produce symmetrical breasts. The width of the resected excess skin tissue ranged from 20 to 50 mm, with the mean width being 30 mm, and its length ranged from 50 to 90, with the mean length being 77 mm. The width of the resected gland tissue ranged from 40 to 65 mm, with the mean width being 53 mm, and its length ranged from 70 to 100 mm, with the mean length being 97 mm. The cosmetic results were excellent. Conclusions: Oncoplastic surgery using spindle shaped-resection was successfully performed in patients with upper quadrant lesions, and the cosmetic results were excellent.展开更多
There is continuing controversy regarding the most effective and safest technique for breast reduction surgery. This case series describes our experience with a breast reduction approach that combines three techniques...There is continuing controversy regarding the most effective and safest technique for breast reduction surgery. This case series describes our experience with a breast reduction approach that combines three techniques aimed at addressing three different aspects of breast reduction: skin reduction, shaping, and nipple areolar complex shaping. We assessed the perioperative course and postoperative outcomes (for a mean of 19 months) of 10 consecutive women who underwent breast reduction surgery involving a combination of three techniques: “inverted T” skin reduction, modified Hall-Findley supero-medial pedicle for glandular reduction, and inferior de-epithelialized flap (modified “Foustanos” flap) for molding and improved shaping of the breast. The final bra cup size was C or D in all patients. The overall results were graded as excellent in four patients and very good in six patients. Each patient was completely satisfied with her surgery. Six patients developed venous congestion of the nipple areolar complex, which resolved within 24 - 48 hours after surgery. Two patients had uneventful delayed wound healing in the vertical scar of the inverted T pattern. There was a 100% nipple areolar complex survival rate. No patient had a major adverse event, permanently altered nipple areolar complex sensitivity, or bottoming out of the lower pole. None required revision surgery. This case series confirms our expectations that the solution to questions about breast reduction methods may depend on melding different techniques into a single procedure. The combination of techniques herein described was both effective and safe. Level of Evidence: Level IV, therapeutic study.展开更多
文摘AIM: To achieve symmetric boundaries for left and right breasts boundaries in thermal images by registration. METHODS: The proposed method for registration consists of two steps. In the first step, shape context, an approach as presented by Belongie and Malik was applied for registration of two breast boundaries. The shape context is an approach to measure shape similarity. Two sets of finite sample points from shape contours of two breasts are then presented. Consequently, the correspondences between the two shapes are found. By finding correspondences, the sample point which has the most similar shape context is obtained. RESULTS: In this study, a line up transformation which maps one shape onto the other has been estimated in order to complete shape. The used of a thin plate spline permitted good estimation of a plane transformation which has capability to map unselective points from one shape onto the other. The obtained aligningtransformation of boundaries points has been applied successfully to map the two breasts interior points. Some of advantages for using shape context method in this work are as follows:(1) no special land marks or key points are needed;(2) it is tolerant to all common shape deformation; and(3) although it is uncomplicated and straightforward to use, it gives remarkably powerful descriptor for point sets significantly upgrading point set registration. Results are very promising. The proposed algorithm was implemented for 32 cases. Boundary registration is done perfectly for 28 cases.CONCLUSION: We used shape contexts method that is simple and easy to implement to achieve symmetric boundaries for left and right breasts boundaries in thermal images.
文摘Background: Oncoplastic surgery is becoming more common, however, only several reports have been published in Japan. We report the results of simple oncoplastic surgery for Japanese patients with early breast cancer in the upper quadrant area. Methods: In seven patients with a past history of breast-feeding and ptotic breasts, we performed oncoplastic surgery involving partial mastectomy and the resection of excess skin and parenchymal tissue. Results: None of the patients received a contralateral operation to produce symmetrical breasts. The width of the resected excess skin tissue ranged from 20 to 50 mm, with the mean width being 30 mm, and its length ranged from 50 to 90, with the mean length being 77 mm. The width of the resected gland tissue ranged from 40 to 65 mm, with the mean width being 53 mm, and its length ranged from 70 to 100 mm, with the mean length being 97 mm. The cosmetic results were excellent. Conclusions: Oncoplastic surgery using spindle shaped-resection was successfully performed in patients with upper quadrant lesions, and the cosmetic results were excellent.
文摘There is continuing controversy regarding the most effective and safest technique for breast reduction surgery. This case series describes our experience with a breast reduction approach that combines three techniques aimed at addressing three different aspects of breast reduction: skin reduction, shaping, and nipple areolar complex shaping. We assessed the perioperative course and postoperative outcomes (for a mean of 19 months) of 10 consecutive women who underwent breast reduction surgery involving a combination of three techniques: “inverted T” skin reduction, modified Hall-Findley supero-medial pedicle for glandular reduction, and inferior de-epithelialized flap (modified “Foustanos” flap) for molding and improved shaping of the breast. The final bra cup size was C or D in all patients. The overall results were graded as excellent in four patients and very good in six patients. Each patient was completely satisfied with her surgery. Six patients developed venous congestion of the nipple areolar complex, which resolved within 24 - 48 hours after surgery. Two patients had uneventful delayed wound healing in the vertical scar of the inverted T pattern. There was a 100% nipple areolar complex survival rate. No patient had a major adverse event, permanently altered nipple areolar complex sensitivity, or bottoming out of the lower pole. None required revision surgery. This case series confirms our expectations that the solution to questions about breast reduction methods may depend on melding different techniques into a single procedure. The combination of techniques herein described was both effective and safe. Level of Evidence: Level IV, therapeutic study.
