NEET Pattern Questions

Lung Tumors

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Q) 50-year-old male with 1 x1 cm mass in the Peripheral part of the right lung was resected with clear margins. histopathology was suggestive of Adenocarcinoma and there was no lymph nodes positive what will be the further management
A. Observe
B. Adjuvant RT
C. Adjuvant CT
D. EGFR testing

 

Gastric Lymphadenopathy

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Q ) which is one of the  criteria for diagnosis of gastric lymphadenopathy
a. mesenteric lymphoadenopathy
b. hepatic involvement

c. general lymph adenopathy
d . blood count within normal limt

Ans d

Dawson criteria

(1) absence of peripheral lymphadenopathy at the time of presentation;

(2) lack of enlarged mediastinal lymph nodes;

(3) normal total and differential white blood cell count

(4) predominance of bowel lesion at the time of laparotomy with only lymph nodes obviously affected in the immediate vicinity; and

(5) no lymphomatous involvement of liver and spleen

 

Staging Anal Cancer

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Q  ) In Anal Carcinoma  involvement of external iliac group of lymph nodes
a. Stage II
b. Stage III a
c. Stage III b

d) M1

Ans c, IIIb

Primary tumor (T)

  • TX: primary tumor cannot be assessed
  • T0: no evidence of primary tumor
  • Tis: carcinoma in situ (Bowen disease, high-grade squamous intraepithelial lesion [HSIL], anal intraepithelial neoplasia II-III (AIN II-III)
  • T1: tumor 2 cm or less in greatest dimension
  • T2: tumor >2 cm but <5 cm in greatest dimension
  • T3: tumor >5 cm in greatest dimension
  • T4: tumor of any size invades adjacent organ(s), e.g. vagina, urethra, bladder (note that direct invasion of the rectal wall, perirectal skin, subcutaneous tissue, or the sphincter muscle(s) is not classified as T4)
Regional lymph nodes (N)
  • Nx: regional lymph nodes cannot be assessed
  • N0: no regional lymph node metastasis
  • N1: metastasis in regional lymph nodes
  • N1a: metastases in inguinal, mesorectal, and/or internal iliac lymph nodes
  • N1b: metastases in external iliac lymph nodes
  • N1c: metastases in external iliac and in inguinal, mesorectal, and/or internal iliac lymph nodes
Distant metastasis (M)
  • Mx: distant metastasis cannot be assessed
  • M0: no distant metastasis
  • M1: distant metastasis

Involvement of para-aortic or more distant lymph nodes is considered M1

Stage 0 Tis N0 M0
Stage I T1 N0 M0
Stage II T2, T3 N0 M0
Stage IIIA T1, T2, T3 N1 M0
T4 N0 M0
Stage IIIB T4 N1 M0
Any      T N2, N3 M0
Stage IV Any T Any N M1

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