Cancers Flashcards
1
Q
Anal carcinoma
1. w/u
2. tx
3. surveillance
A
- w/u:
-Bx, DRE with anoscopy, inguinal node exm, HIV test, pap
- CT CAP, ?PET - tx: 5FU/mitomycin + XRT
- neoadj: mets - surveillance:
- h/p, DRE w/ anoscopy: q6m x 5y
- CT CAP q1y x 5y
2
Q
Breast cancer
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- mammo, US, ?MRI
- core needle biopsy
-?genetic counseling, preggo test
- Mets: CT CAP, bone scan, ?Brain MRI, ?PET - tx: lumpectomy vs. BCT vs. MRM
- neoadj: IBC, clinical nodes, T4, large mass but wants BCT - surveillance:
- h/p q6m x 5 years
- mammo q1y x life
3
Q
Colon cancer
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- cbc, CEA
- CT CAP
- colonscopy
- bx w/ MSI/MMR testing - tx: colectomy
- 5 cm margin; 12 nodes
- neoadj: t4b - surveillance:
- h/p, CEA, CT CAP q6m x 5y
- C’scope @ 1, 3, 5 years
4
Q
Esophageal cancer
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- nutrition, smoking, h. pylori, GERD
- EGD w/ bx, EUS
- CT CAP, PET - tx:
- HGD, TIS, T1a: endoscopic ablation
- T1b: upfront esophagectomy
- Neoadj: T2 or N
- 5 cm margin; 15 nodes - surveillance:
- h/p, CT CAP, EGD q6m x 5y
5
Q
Gastric cancer
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- nutrition, smoking, h. pylori, GERD
- EGD w/ bx, EUS
- CT CAP, PET - tx: D2 sub-total gastrectomy
- proximal: D2 total gastrectomy
- 5 cm margin; 15 nodes - surveillance:
- h/p, CT CAP, EGD q6m x 5y
5
Q
GIST
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- EGD/EUS w/ bx (FNA or core)
- Bx: mitosis/hpf
- Genotyping: KIT/TKI therapy
- CT or MRI CAP - tx: resection (histo negative margins)
- no nodes
- Imatinib (TK inhibitor) if > 5cm or >5 mitosis/50 hpf - surveillance:
- h/p, CT CAP q6m x 5y
6
Q
HCC
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- cirrhosis, hepatitis, etoh, fatty liver
- hep panel, CMP, AFP
- U/S
- Liver protocol CT/MRI, CT CAP, CT liver volumetry - tx:
- hepatectomy: well compensated
- transplant: milan criteria/cirrhotic
- unresectable: TACE or ablation - surveillance:
- Liver protocol CT/MRI, AFP q6m x 5y
7
Q
Cholangiocarcinoma
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- cirrhosis, hepatitis, etoh, fatty liver
- hep panel, CMP, AFP
- U/S
- Liver protocol CT/MRI, CT CAP
- EGD w/ EUS/FNA
- ERCP w/ brushings (or MRCP) - tx: resect
- unresectable: chemo or transplant - surveillance:
- Liver protocol CT/MRI, AFP q6m x 5y
8
Q
Gallbladder cancer
1. w/u:
2. tx:
3. surveillance:
A
- w/u:
- lap chole with t1b+
- multiphase CT CAP - tx:
- resectable: resection 4b/5 w/ LADN (porta hepatis) +/- bile duct excision
- unresectable: systemic therapy - surveillance:
- Yearly liver protocol CT/MRI x 5y
9
Q
Melanoma
1. w/u:
- tx:
- surveillance:
A
- w/u:
- skin exam
- punch bx: breslow depth, ulceration, mitotic rate, LV invasion
- lymphoscintigraphy (if planning SLNBx)
-CT CAP/PET SLN+ or systemic disease suspected
- BRAF testing - tx: resection
- SLNBx+: choose surveillance vs. CLND; all get pembrolizumab or BRAF inhibitor
- Surveillance: U/S q4m x 2 years then q6m x 3 years
- Cx+ node require CLND - surveillance:
- skin self exam, sunscreen education
- h/p q1y x 5 years
10
Q
PNET
1. w/u
2. tx
3. surveillance
A
- w/u:
- Labs: gastrin, insulin/pro-insulin/c-peptide, glucagon, VIP, SS
- Genetic counseling for MENs
- Triphasic CT/MRI
- SS PET
- EUS/FNA
- Selective intra arterial Ca - tx: resection + LADN
- enucleate insulinoma, small gastrinoma, small non-functional - surveillance:
- Yearly triphasic CT/MRI x 5y
- Yearly markers x 5 years
10
Q
Carcinoid
- w/u
- tx
- surveillance:
A
- w/u:
- 24h urine/plasma 5-HIAA
- Triphasic CT/MRI
- SS PET if can’t locate
- CT CAP if > 2cm - tx:
- < 2 cm: local excision (transanal, appendectomy, segmental)
- > 2 cm: staging CT. radical resection
11
Q
Adrenal mass
- w/u
- tx
A
- w/u: adrenal protocol CT
- aldosterone: A/R > 20
- pheo: 24h urine metanephrines
- cortisol: dexa suppression test
- androgen: urine androgens - tx:
- aldosteronoma: AVS ➡ unilateral, resect; bilateral, spironolactone
- pheo: MIBG ➡ a block ➡ b block ➡ resect
- cortisol: ACTH ➡ low, resect; high, high dose dexa suppresion (lung vs. brain)
- ACC: open resection + mitotane
12
Q
NSC Lung Cancer
- w/u
- tx
A
- w/u:
- smoking cessation/advice
- CT CAP
- PET/CT
- Tissue dx (for FDG+): intra-op frozen, CT-guided, or EBUS
- EBUS for nodal disease
- EBUS/EUS guided bx - tx: Segmentectomy or lobectomy
- n2 disease ➡ chemo - surveillance:
- h/p, CT chest q6m x 5y
13
Q
Pancreatic cancer
A
- w/u:
- ca19-9, LFTs
- pancreatic CT/MRI
- CT CAP +/- PET
- EUS/FNA
- ERCP w/ stent/brushings
- ?staging laparoscopy
- genetic testing - tx: whipple
- unresectable: chemotherapy - surveillance:
- h/p, CT CAP, Ca-19-9 q6m x 5y
14
Q
Rectal cancer
A
- w/u:
- CEA, MMR/MSI testing
- DRE w/ anoscopy
- C’scope w/ biopsy. Distance from AV
- CT CAP
- Pelvic MRI. Consider liver MRI - tx: LAR/APR
- 12 nodes; at least 1 cm distal margin
- neoadj (chemo+XRT): t3 or n (stage 2) - surveillance:
- h/p, CEA, MRI rectum, CT CA q6m x 5y
- c/scope at 1, 3, 5 years
15
Q
Thyroid mass
A
- w/u:
- TSH, T3, T4
- US FNA
- Thryoid/neck US
- ?Laryngoscopy - tx:
- total thryoid: > 4 cm, high risk features
- consider levothyroxine to keep TSH low
- consider RAI for high risk disease - surveillance:
- lobectomy: h/p, TSH, neck U/S q6m x 5y
- thyroidectomy: h/p, TSH, Tg, neck U/S q6m x 5y
16
Q
Palpable thyroid nodule
- w/u
- tx
A
- w/u:
- neck radiation, prior ca
- TSH/T3/T4:
- TSH low: Graves vs. toxic nodule vs. MNG ➡ thyroid scintigraphy
- TSH high: Hashimoto’s, cancer ➡ U/S - tx: thyroidectomy
- total if > 4 cm or worrisome features