Hotobhaga
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29) A 60-year-old man comes to the office because of a lesion on his lower lip that has been growing for the past 9 months. It is painless and he is now here because his wife made him com
E. He has not seen a physician for the past 4 years. He works as a farmer and is exposed to the sun. On physical examination, the lower lip is fixed to the lower aspect of the mandibl
E. Which of the following is the correct diagnosis?
A. Basal cell carcinoma
B. Erythema nodosum
C. Leukoplakia
D. Melanoma
E. Squamous cell carcinoma
Explanation:
The correct answer is A. Basal cell carcinoma is the most common form of skin cancer and risk factors include sun exposure and ultraviolet radiation. Features include an ulcerated center with pearly, heaped up edges. Excision may be require D.
Erythema nodosum (choice B) is a vascular disorder whose skin manifestations include erythematous and nodular lesions, especially on the anterior aspect of the tibi
A.
Leukoplakia (choice C) is an Epstein-Barr virus-related lesion that would be found on the lateral aspects of the tongue and is white in appearanc
E.
Melanoma (choice D) has the maximum metastatic potential and may be nodular or radial. It may have irregular borders, may be of variegated coloration, and may be on any aspect of the body.
Squamous cell carcinoma (choice E) is the second most common form of skin cancer after basal cell carcinoma and would be most common on sun-exposed surfaces as well.
Kaplan teaches that above the angle of mouth Basal cell teritory and below is Squamous cell Ca .
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| usmlestud
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i was confused with this explanation too when i read it
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| ssrpk
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are you sure they are from kaplan q-bank, i mean these same people have been banging our heads with tht info tht above the angle of mouth its basal , below its scc...lolz
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| elitoki
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I remember too that kapl said that lower lip is squamous cell carcinoma territory.
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| hanialkhadher
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its true that lower lip belongs to Sq.C.C., i think who made the q is mistaken
Edited by hanialkhadher on 07/03/07 - 12:00 AM
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| cirus
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I also solved it SCC, too..
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| dr in trouble
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Lower lip is more commonly involved in Basal cell cancer but it can in Squamous cell cancer too.but I am thinking about lower lip fixation to mandible as Basal cell cancer rarely invade basement membrane.
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| dr19
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about localization...
BCC...has a particular predilection fot the upper two thirds of the face.
SCC...most frequently involves the lower lips...........
so the answer is E
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