PathMD Quizes, Head & Neck Head & Neck – 03 October 29, 2017 peferguson Make sure to subscribe to PathMD to stay up to date with new content and features!! 1. A 50 y/o male presents with a nasal mass, which is excised. Representative images of the lesion are shown. Immunohistochemistry of the lesions shows positivity for CD34. Based on these findings, what is the most likely diagnosis? Head & Neck - Part 3, Case #1 Head & Neck - Part 3, Case #1 Head & Neck - Part 3, Case #1Solitary fibrous tumor FibromatosisFibrosarcomaMyofibroblastomaInflammatory myofibroblastic tumor 2. Which of the following subtypes of nasopharyngeal carcinoma has the best prognosis?Basaloid nasopharyngeal carcinoma Keratinizing nasopharyngeal carcinoma Non-keratinizing nasopharyngeal carcinoma All have the same prognosis 3. A 40 y/o male presents with a parotid mass. Based on the histologic images, the best diagnosis is: Head & Neck - Part 3, Case #3 Head & Neck - Part 3, Case #3 Head & Neck - Part 3, Case #3 Head & Neck - Part 3, Case #3Acinic cell carcinomaAdenoid cystic carcinomaPleomorphic adenoma Mucoepidermoid carcinomaMyoepithelioma 4. All of the following are true about acinic cell carcinoma EXCEPT:Most common malignant salivary gland tumor in children 80% involve the parotid gland 35% of cases recur locally 6% of salivary gland tumors >80% 5-year survival rate 5. A 30 y/o male is found to have a buccal lesion. An excision was performed and representative images are shown. The best diagnosis is: Head & Neck - Part 3, Case #5 Head & Neck - Part 3, Case #5 Head & Neck - Part 3, Case #5Hairy leukoplakia Keratosis with mild dysplasia Keloid scarIrritation fibromaSquamous cell carcinoma 6. A 40 y/o female presents with a nasal obstruction. A mass is removed from the lateral wall, and representative hisotlogic images are shown. Based on the findings, the best diagnosis is: Head & Neck - Part 3, Case #4 Head & Neck - Part 3, Case #4 Head & Neck - Part 3, Case #4Exophytic Schneiderian papilloma Cylindrical cell papilloma Papillary caricinoma Squamous cell carcinomaEndophytic Schneiderian papilloma 7. All of the following are true with regards to cholesteatomas, EXCEPT:Occur in the middle earUsually occur in the third or fourth decade Occur more frequently in menIs a neoplastic lesion Collagenase is responsible for destructive properties 8. A mass was found in adjacent to the parotid gland. An excision was performed and representative sections are shown. Based on the findings, what is the best diagnosis? Head & Neck - Part 3, Case #2 Head & Neck - Part 3, Case #2 Head & Neck - Part 3, Case #2Neurofibromatosis type 1 FibromatosisMalignant peripheral nerve sheath tumor MyxomaNeurofibromatosis type 2 9. A 50 y/o female presents with a parotid mass. Based on representative images of this lesion shown on the website, which of the following is the best diagnosis? Head & Neck - Part 3, Case #6 Head & Neck - Part 3, Case #6 Head & Neck - Part 3, Case #6Granular cell tumorPleomorphic adenomaAcinic cell carcinoma Salivary duct carcinomaMucoepidermoid carcinoma 10. A 41 y/o male presents with a nasal obstruction and septal perforation. Multiple biopsies are taken which shows predominately necrosis. Serologic studies are positive for a high c-ANCA titer. Based on these findings, what is the most likely diagnosis?NK/T cell lymphomaWegner’s granulomatosisChurg-Strauss syndrome Cocaine abuseHypercoaguable state with thrombosis Loading...