skin cancer

Question 1

levels of invasion of malignant melanoma

Answer 1

level 1; tumor confined to epidermis
level 2: cell invasion upto papillary dermis
level3:tumor cells extending upto the interface between papillary dermis and reticular dermis
level 4: tumor cells extending to reticular dermis
level 5: extending to subcutaneous tissue

Question 2

malignant melanomaT1

Answer 2

less than 1 mm thickness
level 2,3 -1a
level 3.4- 1b

Question 3

malignant melanoma T2

Answer 3

1-2 mm of thickness
without ulceration 2a
with ulceration 2b

Question 4

maligant melanoma T3

Answer 4

2-4 mm of thickness
without ulceration.. a
with ulceration……b

Question 5

malignant melanoma t4

Answer 5

more than 4 mm of thickness
with b
wihout a

Question 6

mm n1

Answer 6

only one regional ln
micro a
macro b

Question 7

mm n2

Answer 7

mets in 2-3 regional ln
micro
macro
satellite or in transit mets

Question 8

mm n3

Answer 8

4 regional ln involve

Question 9

T staging of sq cell carcinoma

Answer 9

T1 Tumor ≤2 cm in GD.
T2 Tumor >2 to ≤ 4 cm in GD.
T3 Tumour >4 cm in GD or minor bone erosion or perineural invasion or deep invasion*
T4a Tumour with gross cortical bone/marrow invasion
T4b Tumour with skull base or axial skeleton invasion including foraminal involvement
and/or vertebral foramen involvement to the epidural space

Question 10

skin cancer sq n1

Answer 10

regional ln involved