수고많으십니다. 유방암 Morphology 문의드립니다.[수술후 Bx 결과] 1) Breast, central, right, skin-sparing mastectomy :   - DUCTAL CARCINOMA IN SITU, grade 2, with      Size/Extent: 2.2 cm x 4.0 cm          Dimension (1): maximum extent on one slice: 2.2 x 1.8 cm          Dimension (2): involving 8 slices (4.0 cm, slice #6 to #13)      Type: solid, cribriform, micropapillary type      Necrosis: absent      Microcalcifications in tumor: present      Margins: negative             Distance to superficial margin: < 0.1 cm                            deep margin:  0.2 cm                            superior margin: 6.2 cm                            inferior margin: 5.2 cm                            medial margin: 3.0 cm                            lateral margin: 7.0 cm      TNM staging: pTis  pN0 (see NOTE 1) cM0.  - LOBULAR CARCINOMA IN SITU, grade 2      Type: classic type      Size: 0.3 x 0.5 cm (slice #17)      Necrosis: absent      Microcalcification: absent      Margins: negative. 2) Breast, subareolar, right, excision :   - Moderate ductal hyperplasia, benign breast tissue. 3) Breast, nipple, right, excision :   - DUCTAL CARCINOMA IN SITU, grade 2 with      Margins: negative.위와 같이 수술 후 유방 Bx 결과가 DUCTAL CARCINOMA IN SITU(M8500/2),LOBULAR CARCINOMA IN SITU(M8520/2)가 나왔을 경우,동일조직소견군으로 몰폴로지는 둘 중 종양의 대부분을 차지하는 M8500/2 로 하나만 등록하면 되는지, 아니면 조합코드로 M8522/2(Intraductal carcinoma and lobular carcinoma in situ)로 주는게 맞는지 문의드립니다.
동일조직소견군인 경우, 높은 코드(M8520/2)로 코딩합니다.