ENT Grand Rounds Online, 28th April 2020, Dr Steve Connor, Consultant Head and Neck Radiologist, Guy's and St Thomas' Hospitals NHS Trust
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Curriculum topics (UK Otolaryngology Higher Surgical Training 2017)
1. Rhinology - Nose and sinus infections; Nasal polyps; Congenital abnormalities of the nose and sinuses; Granulomatous conditions; Sinonasal neoplasms including including anterior skull base lesions
01:30 - Patterns of pathological change on CT:
1. Sinonasal inflammation
04:33 - Ostio-meatal complex
04:53 - Patterns of sinonasal disease: ostio-meatal complex pattern; frontal recess pattern; posterior OMU patterns - sphenoethmoidal recess and superior meatus
09:08 - OMC and anterior skull base variants not to miss
2. Calcification and hyperdensity
11:31 - Chronic inflammation and fungal disease
12:25 - Calcified sinonasal tumours - osteoma, fibrous dysplasia and sarcoma
14:33 - Hyperdensity
3. Bony remodelling/erosion/post-surgical defects
16:45 - Bony erosion and sclerosis - aggressive (neoplastic/non-neoplastic), intermediate and benign patterns
18:40 - Post-surgical bony defects
4. Small maxillary antrum
19:52 - Silent sinus syndrome v small maxillary antrum
5. Benign patterns of sinonasal polypoid soft tissue
21:17 - Retention cysts, sinonasal polyps and antrochoanal polyps
6. Upper jaw aetiology
22:51 - Odontogenic sinusitis and benign sinonasal lesion
7. Midline destructive nasal lesions
23:55 - Sarcoid and T-cell lymphoma, GPA and cocaine
25:15 - Red flag features on CT/MRI:
1. Isolated sinonasal disease/polyp
26:25 - Intrasinus malignancy
28:49 - Inverted papilloma, benign tumours and polyps
30:14 - Juvenile angiofibroma and vascular tumours
31:40 - Mucocele, pyocele and mycetoma
33:48 - Meningocele/skull base developmental lesions
2. Extra-sinus soft tissue
35:46 - Subperiosteal abscess
36:38 - Cavernous sinus thrombosis
37:38 - Frontal extradural empyema/abscess
38:08 - Invasive fungal sinusitis
40:43 - Malignant sinonasal tumour
42:20 - Summary
Questions
43:55 - Imaging in CSF rhinorrhoea
48:30 - Follow-up for incidental benign unilateral cysts and lesions
49:53 - Clariftying rationale for MRI/contrast CT for cavernous sinus thrombosis
51:40 - T1 v T2w v Gadolinium enchanced images for investigating sinonasal tumours
55:26 - STIR/FLAIR sequences
8 авг 2024
