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Labrador cross with mass on antebrachium (view source)
Revision as of 19:01, 2 October 2012
, 19:01, 2 October 2012no edit summary
<center><WikiQuiz
<center><WikiQuiz
questionnumber="11"
questionnumber="11"
question=""
question="You resect the tumour and send tissue for histopathology. How do you prepare the resected tissue so that the pathologist is best equipped to give the information you need?"
choice1=""
choice1="Put the entire tumour in a 10:1 formalin:tumour ratio for 24 hours, then double-wrap the specimen and post it to the pathologist."
choice2=""
choice2="Ink selected lateral and deep margins with tissue-marking or India ink. Take a large wedge from the centre of the tumour, and discard the rest of the tissue. Fix these samples in 10:1 formalin:tumour for 24 hours, and then post to the pathologist in separately labelled pots."
choice3=""
choice3="Suture the underlying fascia to the skin on the lateral margins so that the tissue resembles the in situ tumour dimensions. Incise the tumour every few centimetres to allow the formalin to penetrate into the tumour mass: these incisions should be two-thirds through the depth of the tumour. Ink the lateral and deep margins with tissue-marking or India ink. Fix the tumour in 10:1 formalin:tumour for 24 hours, then double-wrap the specimen and post it to the pathologist."
choice4=""
choice4=""
choice5=""
choice5=""
correctchoice="4"
correctchoice="3"
feedback1=""
feedback1="'''Incorrect'''. This is not the best option. Choose again."
feedback2=""
feedback2="'''Incorrect'''. This is not the best option. Choose again."
feedback3=""
feedback3="'''Correct'''."
feedback4=""
feedback4=""
feedback5=""
feedback5=""
<center><gallery widths=200px perrow=2>
<center><gallery widths=200px perrow=2>
File:Case 19-Q9-specimen skin surface.JPG
File:Case 19-Q9-specimen skin surface.JPG|Skin surface
File:Case 19-Q9-specimen inked.JPG
File:Case 19-Q9-specimen muscle surface.JPG|Muscle surface - note that the underlying deep fascia has been resected en bloc with the tumour)
File:Case 19-Q9-specimen muscle surface.JPG
File:Case 19-Q9-specimen inked.JPG|Specimen inkeed
File:Case 19-Q9-specimen sliced.JPG
File:Case 19-Q9-specimen sliced.JPG|specimen sliced
</gallery></center>
</gallery></center>
<center><WikiQuiz
<center><WikiQuiz