Pharynx · NEET PG Preparation ENT
A 30-year-old male is diagnosed with nasopharyngeal carcinoma involving the lateral wall of the nasopharynx. The tumor has eroded through the skull b…
Practice question from Pharynx (NEET PG Preparation ENT), with the correct answer and a step-by-step solution.
medium · MCQ · Q-90D538
A 30-year-old male is diagnosed with nasopharyngeal carcinoma involving the lateral wall of the nasopharynx. The tumor has eroded through the skull base via a specific foramen, affecting cranial nerves IX, X, and XI. Which of the following foramina is most likely involved?
- A.Foramen lacerum
- B.Jugular foramenCorrect answer
- C.Foramen ovale
- D.Hypoglossal canal
Solution
The jugular foramen transmits cranial nerves IX, X, and XI (along with the inferior petrosal sinus, sigmoid sinus becoming the internal jugular vein, and meningeal branches). It is located in close proximity to the lateral wall of the nasopharynx and the carotid sheath.
More from Pharynx
- A 55-year-old chronic smoker and alcoholic presents with progressive dysphagia to solids, foul-smelling breath, and a noticeable gurgling s…
- A 10-year-old child presents with recurrent throat infections, nasal speech, and mouth breathing. On examination, a large, pale, midline ma…
- During a radical neck dissection for advanced squamous cell carcinoma of the tongue, a surgeon accidentally injures a nerve that lies immed…
- A 45-year-old man presents with severe intractable otalgia referred from a silent mucosal lesion in the pharynx. The sensory innervation of…
Practise more ENT
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed