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Table 1 Reported Cases of one twin with SCT

From: Sacrococcygeal teratoma in one twin: a case report and literature review

Reference Cases Mode of
conception
Twin type Diagnosis
GA
tumor component hydrops fetalis Polyhydramnios delivery
GA
Mode of
delivery
SCT twin Co-twin
BW(g) Sex Outcome BW(g) Sex 0utcome
Hedrick [10]
(2004)
3 No data No data No data No data No data No data No data No data No data No data No data No data No data No data
Albu [17]
(2019)
1 IVF DA 17wks solid-cystic No Yes / / / No data selectively discontinue this twin No data F live
Ayzen [18]
(2006)
1 not mention MCDA second trimester solid Yes
24wks
No 26 + 2 wks CS No data F Died shortly after birth 600 F live
Chen [19]
(2004)
1 not mention DCDA 24wks cystic No No 36wks CS 3052
(SCT10 × 8 × 6 cm)
M underwent excision of the intrapelvic and extrapelvic teratoma at age 2 days, live 2440 F live
Sherowsky
[20]
(1985)
1 induction of ovulation with clomiphene citrate unknown 30wks cystic
and solid
No Yes 32wks CS 3280
(SCT 30 × 17 cm)
M Underwent SCT resection at 3 days of age, live 1420 F live
Zhang [21]
(2018)
1 No data No data No data No data No data No data No data No data No data No data No data No data No data No data
Lou [22]
(2009)
1 IVF DCDA 24wks cystic and solid No data Yes 34 wks CS 4200
(SCT30 × 25 × 25 cm)
F Underwent SCT resection in 1 day after birth, died 2 wks after operation dur to sepsis 2200 M live
Present case 1 spontaneously conceived DCDA 23 + 3wks cystic and solid No Yes 37 + 1wks CS 2900
(SCT5.9 × 2.6 × 3.0 cm)
M Underwent SCT resection at 4 days of age, Live 2880 M live
  1. SCT sacrococcygeal teratomas; IVF in vitro fertilization; F Female; M Male; MCDA monochorionic diamnionic; DCDA dichorionic diamniotic; BW Birth weight