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Labrador cross with mass on antebrachium (view source)
Revision as of 19:19, 2 October 2012
, 19:19, 2 October 2012no edit summary
<center><WikiQuiz
<center><WikiQuiz
questionnumber="12"
questionnumber="12"
question=""
question="The margins are clear and the pathologist confirms your histological diagnosis of grade 2 STS: it is a haemangiopericytoma. What other tumours fit the STS category, characterized by similar biological behaviour? (Choose three of the following.)
choice1=""
:a) Synovial cell sarcoma
choice2=""
:b) Splenic haemangiosarcoma
choice3=""
:c) Histocytic sarcoma
choice4=""
:d) Peripheral nerve sheath tumours
choice5=""
:e) Brachial or lumbar plexus nerve root tumours
correctchoice="4"
:f) Malignant schwannomas
feedback1=""
:g) Fibrosarcoma"
feedback2=""
choice1="a, c, e"
feedback3=""
choice2="b, c, f"
feedback4=""
choice3="b, d, e"
feedback5=""
choice4="a, d, g"
choice5="d, f, g"
correctchoice="5"
feedback1="'''Incorrect'''. One of more of the options selected are incorrect. Choose again."
feedback2="'''Incorrect'''. One of more of the options selected are incorrect. Choose again."
feedback3="'''Incorrect'''. One of more of the options selected are incorrect. Choose again."
feedback4="'''Incorrect'''. One of more of the options selected are incorrect. Choose again."
feedback5="'''Correct'''. Synovial cell sarcoma have a greater affinity for lymph node metastasis than subcutaneous STS. Splenic haemangiosarcoma are more systemically aggressive, with microscopic or macroscopic systemic metastasis expected in 90% of cases at diagnosis. Histocytic sarcoma have a much more aggressive, early metastatic pattern. Brachial or lumbar plexus nerve root tumours have a different pattern of local invasion, extend proximally and distally along nerve roots and can invade the spinal cord."
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</WikiQuiz></center>
</WikiQuiz></center>