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Case Reports
. 2021 Jan 7;384(1):42-50.
doi: 10.1056/NEJMoa2030391.

Vaginal Transmission of Cancer from Mothers with Cervical Cancer to Infants

Ayumu Arakawa  1 , Hitoshi Ichikawa  1 , Takashi Kubo  1 , Noriko Motoi  1 , Tadashi Kumamoto  1 , Miho Nakajima  1 , Kan Yonemori  1 , Emi Noguchi  1 , Kuniko Sunami  1 , Kouya Shiraishi  1 , Hiroki Kakishima  1 , Hiroshi Yoshida  1 , Tomoro Hishiki  1 , Naonori Kawakubo  1 , Takafumi Kuroda  1 , Takako Kiyokawa  1 , Kyosuke Yamada  1 , Nozomu Yanaihara  1 , Kazuaki Takahashi  1 , Aikou Okamoto  1 , Shinsuke Hirabayashi  1 , Daisuke Hasegawa  1 , Atsushi Manabe  1 , Kentaro Ono  1 , Masaki Matsuoka  1 , Yasuhito Arai  1 , Yosuke Togashi  1 , Tatsuhiro Shibata  1 , Hiroyoshi Nishikawa  1 , Kazunori Aoki  1 , Noboru Yamamoto  1 , Takashi Kohno  1 , Chitose Ogawa  1
Affiliations
Case Reports

Vaginal Transmission of Cancer from Mothers with Cervical Cancer to Infants

Ayumu Arakawa et al. N Engl J Med. .

Abstract

Two cases of pediatric lung cancer (in 23-month-old and 6-year-old boys) resulting from mother-to-infant transmission of uterine cervical tumors were incidentally detected during routine next-generation sequencing of paired samples of tumor and normal tissue. Spontaneous regression of some lesions in the first child and slow growth of the tumor mass in the second child suggested the existence of alloimmune responses against the transmitted tumors. Immune checkpoint inhibitor therapy with nivolumab led to a strong regression of all remaining tumors in the first child. (Funded by the Japan Agency for Medical Research and Development and others; TOP-GEAR UMIN Clinical Trials Registry number, UMIN000011141.).

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