Surgical excision without whole breast irradiation for complete resection of ductal carcinoma in situ identified using strict, unified criteria

Sakai, Takehiko; Iwase, Takuji; Teruya, Natsuki; Kataoka, Akemi; Kitagawa, Dai; Nakashima, Eri; Ogiya, Akiko; Miyagi, Yohei; Iijima, Kotaro; Morizono, Hidetomo; Makita, Masujiro; Gomi, Naoya; Oguchi, Masahiko; Ito, Yoshiaki; Horii, Rie; Akiyama, Futoshi; Ohno, Shinji

doi:10.1016/j.amjsurg.2016.10.024

Cited by 5 publications

(2 citation statements)

References 16 publications

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“…The whole breast irradiation dose was 42.5–50Gy with or without a boost dose of 10–16Gy in tumor beds. RT was not performed when surgical margins were entirely free of cancer, as confirmed by a precise pathological examination according to our institutional treatment protocol [12].…”

Section: Resultsmentioning

confidence: 99%

Altered lymphatic drainage patterns in re-operative sentinel lymph node biopsy for ipsilateral breast tumor recurrence

et al. 2019

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Background This study aimed to evaluate the impact of previous local treatment on lymphatic drainage patterns in ipsilateral breast tumor recurrence (IBTR) based on our data on re-operative sentinel lymph node biopsy (re-SLNB) for IBTR. Methods Between April 2005 and December 2016, re-SLNB using lymphoscintigraphy with Tc-99 m phytate was performed in 136 patients with cN0 IBTR. Patients were categorized into two groups: the AX group included 55 patients with previous axillary lymph node dissection; the non-AX group included 69 patients with previous SLNB and 12 patients with no axillary surgery. The whole breast irradiation (RT) after initial surgery had performed in 17 patients in the AX group and 27 patients in the non-AX group. Results Lymphatic drainage was visualized in 80% of the AX group and 95% of the non-AX group ( P < 0.01). The visualization rate of lymphatic drainage was associated with the number of removed lymph nodes in prior surgery. In the non-AX group, lymphatic drainage was visualized in 96% of patients without RT and 93% with RT. Lymphatic drainage was observed at the ipsilateral axilla in 98% of patients without RT and in 64% with RT ( P < 0.0001). Aberrant drainage was significantly more common in patients with RT than without RT (60% vs. 19%, P < 0.001); it was observed mostly to the contralateral axilla (52% vs. 2%, P < 0.0001). In the AX group, patients with previous RT showed decreased lymphatic drainage to the ipsilateral axilla compared to those without RT (29% vs. 63%, P < 0.05) and increased aberrant drainage to the contralateral axilla (64% vs. 5%, P < 0.0001). Conclusion Lymphatic drainage patterns altered in re-SLNB in patients with IBTR and previous ALND and RT were associated with alterations in lymphatic drainage patterns.

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Section: Resultsmentioning

confidence: 99%

Altered lymphatic drainage patterns in re-operative sentinel lymph node biopsy for ipsilateral breast tumor recurrence

et al. 2019

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“…A study on omission of breast irradiation of DCIS completely resected using strictly controlled criteria was reported in a single Japanese facility ( 52 ). The incidences of ipsilateral and contralateral breast cancer and ipsilateral invasive breast cancer at 10 years were 10.8%, 9.1% and 3.6%, respectively.…”

Section: Overdiagnosis and Overtreatment For Dcismentioning

confidence: 99%

Current approach and future perspective for ductal carcinoma in situ of the breast

Kanbayashi

Iwata

2017

Japanese Journal of Clinical Oncology

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Characteristics, treatment trends, and long-term outcomes of Japanese patients with pregnancy-associated breast cancer (PABC)

et al. 2022

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Surgical excision without whole breast irradiation for complete resection of ductal carcinoma in situ identified using strict, unified criteria

Cited by 5 publications

References 16 publications

Altered lymphatic drainage patterns in re-operative sentinel lymph node biopsy for ipsilateral breast tumor recurrence

Altered lymphatic drainage patterns in re-operative sentinel lymph node biopsy for ipsilateral breast tumor recurrence

Current approach and future perspective for ductal carcinoma in situ of the breast

Characteristics, treatment trends, and long-term outcomes of Japanese patients with pregnancy-associated breast cancer (PABC)

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