## Correct Answer: D. Juvenile Nasopharyngeal Angiofibroma (JNA) JNA is the classic diagnosis in a teenage male with recurrent profuse epistaxis and a nasopharyngeal mass. The key discriminators here are: (1) **age 16 and male gender** — JNA almost exclusively affects adolescent males (peak 10–25 years); females are extremely rare; (2) **profuse epistaxis** — JNA is highly vascular and friable, causing severe recurrent bleeding; (3) **globular mass in nasal cavity** — JNA arises from the sphenoid rostrum near the nasopharynx and extends into the nasal cavity; (4) **bowing of posterior maxillary sinus wall** — this is pathognomonic for JNA, as the tumor grows laterally and anteriorly, displacing and bowing the maxillary sinus wall (Holman-Miller sign on imaging). The tumor is benign but locally aggressive, composed of vascular tissue with fibrous stroma. Indian ENT practice recognizes JNA as the most common benign nasopharyngeal tumor in adolescents. Diagnosis is confirmed by CT/MRI (shows heterogeneous enhancement and bowing of sinus walls); biopsy is contraindicated due to hemorrhage risk. Treatment is surgical excision (endoscopic or open approach depending on extent) or preoperative embolization to reduce bleeding. ## Why the other options are wrong **A. Antrochoanal polyp** — Antrochoanal polyp is a benign, non-vascular mass arising from the maxillary sinus and extending into the nasopharynx/choana. It presents with nasal obstruction and rhinorrhea, NOT profuse epistaxis. It occurs across all ages (not age-specific to adolescent males) and lacks the characteristic bowing of the maxillary sinus wall seen with JNA. Endoscopy shows a smooth, pale, non-vascular mass, not a globular vascular lesion. **B. Rhinoscleroma** — Rhinoscleroma is a chronic granulomatous infection caused by *Klebsiella pneumoniae* subsp. *rhinoscleromatis*, endemic in parts of India. It presents with progressive nasal obstruction, crusting, and foul-smelling discharge, NOT acute profuse epistaxis. Histology shows Russell bodies and foamy macrophages. There is no mass effect or bowing of sinus walls. The clinical presentation is entirely different from acute hemorrhagic presentation in this case. **C. Rhinosporidiosis** — Rhinosporidiosis is caused by *Rhinosporidium seeberi* (aquatic organism), endemic in India, particularly in stagnant water areas. It presents with epistaxis and nasal obstruction, but the mass is typically strawberry-like with white dots (sporangia), not a globular vascular mass. It affects both sexes equally and occurs across all ages, not specifically adolescent males. Imaging does not show the characteristic maxillary sinus wall bowing seen in JNA. ## High-Yield Facts - **JNA occurs almost exclusively in adolescent males** (peak 10–25 years); female cases are extremely rare and warrant investigation for androgen insensitivity. - **Profuse epistaxis** is the hallmark presenting symptom; the tumor is highly vascular and friable, making biopsy contraindicated. - **Holman-Miller sign** (bowing of posterior maxillary sinus wall) on CT/MRI is pathognomonic for JNA and helps differentiate it from other nasopharyngeal masses. - **Arises from sphenoid rostrum** near the nasopharynx and grows laterally and anteriorly, explaining the characteristic imaging findings. - **Endoscopic resection** is the gold standard treatment in India; preoperative embolization reduces intraoperative hemorrhage risk. - **Benign but locally aggressive** — no malignant potential, but can erode bone and extend intracranially if untreated. ## Mnemonics **JNA = Juvenile + Male + Epistaxis + Nasopharynx** Remember JNA by its four cardinal features: Juvenile (adolescent), Male (>95% of cases), Epistaxis (profuse bleeding), Nasopharynx (site of origin). Use this when you see a teenage boy with nosebleeds and a nasopharyngeal mass. **VASCULAR MASS in TEENAGE BOY = Think JNA** If the question emphasizes profuse bleeding, male adolescent, and a vascular-appearing mass on endoscopy, JNA is the diagnosis until proven otherwise. Other nasopharyngeal masses (polyps, infections) do not present with such dramatic hemorrhage. ## NBE Trap NBE may pair antrochoanal polyp with nasopharyngeal mass to trap students who confuse the two. However, antrochoanal polyp is non-vascular and presents with obstruction, not epistaxis, and lacks the male adolescent predilection and maxillary sinus wall bowing that are pathognomonic for JNA. ## Clinical Pearl In Indian ENT practice, any adolescent male presenting with recurrent severe epistaxis and a nasopharyngeal mass should be presumed to have JNA until imaging proves otherwise. Avoid biopsy — order CT/MRI first to confirm diagnosis and assess extent before surgical planning. Preoperative embolization is increasingly used in Indian tertiary centers to reduce operative blood loss. _Reference: Bailey & Love Ch. 39 (Nose and Paranasal Sinuses); Robbins Ch. 16 (Head and Neck Pathology)_
Sign up free to access AI-powered MCQ practice with detailed explanations and adaptive learning.