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. 2021 Jun 18;13(12):3048. doi: 10.3390/cancers13123048

Table 1.

Stage-adapted treatment of breast cancer and gynecological cancer diagnosed during pregnancy.

Entity Diagnostic Procedures Tumor Stage Possible Therapeutic Procedures During Pregnancy Pregnancy and Delivery Post Pregnancy
Breast Cancer Breast US
Axilla US
Mammography
Chest x-ray
Liver US
Bone MRI
Not locally advanced 1st trimester: consider TOP 1
prefer mastectomy over lumpectomy 2
Prefer SNLB of the axilla over axillary dissection 2
CT 3
RT 4
gw > 36: DTAD 5
OM 5 COT
Locally advanced 1st trimester: consider TOP 1
prefer mastectomy over lumpectomy 2
Prefer SNLB of the axilla over axillary dissection 2
CT 3
RT 4
gw > 36: DTAD 5
Metastatic 1st trimester: consider TOP 1
CT 3
RT 4
gw > 36: DTAD 5
Ovarian Cancer Epithelial gw < 22: LSC
gw > 22: LAP
biopsy or adenectomy
stage IA, IB gw < 22, IAG1, no indication for CT, staging surgery without hysterectomy
gw > 22, IAG1, no indication for CT, staging surgery after delivery
gw > 22, indication for CT 3, staging surgery after delivery
OM 5 COT
>stage IB Consider TOP 7
NACT 3, staging surgery after delivery
OM 6 COT
BOT gw < 22: LSC
gw > 22: LAP
biopsy or adenectomy
conservative surgery 2 OM 5 COT
Germ Cell gw < 22: LSC
gw > 22: LAP
biopsy or adenectomy
if no indication for CT 3: follow up
CT 3, if indicated
OM 5 COT
Sex Cord gw < 22: LSC
gw > 22: LAP
biopsy or adenectomy
gw < 22, no indication for CT, staging surgery without hysterectomy 2
gw > 22, no indication for CT, staging surgery after delivery
CT 3, if indicated
OM 5 COT
Cervical Cancer Colposcopy
Biopsy
MRI
gw < 22: LSC, PLND 2
IA1, LVSI-
IA1, LNM-
IA2, LNM-
IB1, LNM-
Conization 2
Simple trachelectomy 2
Radical trachelectomy 2
vs
Consider NACT 3
vs
gw > 22, DTAD can be considered
CS 5 COT
Colposcopy
Biopsy
MRI
gw < 22: LSC, PLND 2
IB2, LNM- NACT 3
vs
If gw > 22, DTAD can be considered
CS 5 COT
Colposcopy
Biopsy
MRI
IB2, gw > 22, LVSI unkown, LNM unkown NACT 3
vs
DTAD
CS 5 COT
Colposcopy
Biopsy
MRI
IB3 Consider TOP 7 CS 6 COT
If TOP is not desired, discuss NACT 3 CS 5
Colposcopy
Biopsy
MRI
>IB3 TOP 7 CS 6 COT
If TOP is not desired, discuss NACT 3 CS 5
Colposcopy
Biopsy
MRI
gw < 22: LSC, PLND 2
All stages, LNM+ Consider TOP 7 CS 6 COT
If TOP is not desired, discuss NACT 3 CS 5
Vulvar cancer Vulvoscopy
Biopsy
MRI
Early stages, no need for RT Local excision 2
SNLB of the groin 2
CS 5 COT
Advanced disease, need for RT Consider delay of RT for 6 to 8 weeks CS 6 COT
RT cannot be delayed: TOP 7 CS 6
Vaginal cancer Vaginoscopy
Biopsy
MRI
Early stages, no need for RT Local excision 2 CS 5 COT
Advanced disease, need for RT TOP 7 CS 6 COT

BOT = borderline tumor of the ovary; COT = competition of treatment, if necessary; CT = Chemotherapy; CS = cesarian section; DTAD = delay treatment after delivery; gw = gestational weeks; LSC = laparoscopy; LAP = laparotomy; LVSI = lymphovascular space invasion; LNM = lymph node metastases; MRI = magnetic resonance imaging; NACT = neoadjuvant chemotherapy, until disease progression is detected; OM = obstetrical management and delivery, according to respective guidelines for high-risk pregnancies; PLND = pelvic lymphadenectomy; RT = radiotherapy; SNLB = sentinel lymph node biopsy; TOP = termination of pregnancy; US = ultrasound; vs = versus; − = negative; + = positive; 1 = in cases requiring urgent systemic treatment, 2 = 2nd trimester recommended for surgical procedures; 3 = allowed in 2nd and 3rd trimester before 35 weeks of gestation; 4 = possible in selected cases during 1st and 2nd trimester; 5 = avoid iatrogenic preterm delivery; 6 = if fetus viable; 7 = consider feticide, if fetus not viable, with either vaginal or laparotomic evacuation of the uterus.