82.2 ð åèçïŒé«åž«åè / PGY OSCEïŒ
82.2.0.1 ð Cram Sheet
82.2.0.1.1 ð¥ é« yield 12
- Risk: èž + é + 檳æŠïŒsynergisticïŒ
- HPV 16+ oropharynx (tonsil, base of tongue), é åŸå¥œ
- EBV NPC, å°ç£/è¯å endemic
- Plummer-Vinson = Fe deficiency + post-cricoid SCC
- Wood dust â sinonasal adenocarcinoma
- Adult unilateral serous OM â æ NPC
- Hoarseness â glottic
- Otalgia referred = V cranial nerve, oropharynx
- Concurrent cisplatin + RT locally advanced
- Cetuximab + RT if cisplatin ineligible
- Pembrolizumab recurrent/metastatic CPS ⥠1
- Pre-RT dental clearance (osteoradionecrosis)
82.2.0.2 â é« yield
82.2.0.2.1 Subsite Quick
| Subsite | Risk | Key |
|---|---|---|
| Oral cavity | èž+é +æª³æŠ | Tongue, leukoplakia precursor |
| Oropharynx | HPV / èž+é | Tonsil, base of tongue |
| Larynx | èž | Hoarseness early |
| Hypopharynx | èž+é | Piriform sinus, late |
| Nasopharynx | EBV | Cervical LN, hearing loss |
| Sinonasal | Wood dust | Adenocarcinoma |
| Salivary | â | Pleomorphic, mucoepidermoid |
82.2.0.2.2 Salivary Gland Tumors
- Pleomorphic adenoma: most common, benign, recurrent if incomplete excision
- Warthin tumor: benign, smokers, bilateral
- Mucoepidermoid carcinoma: most common malignant salivary
- Adenoid cystic: perineural invasion, late distant mets
- Acinic cell, salivary duct: rare
82.2.0.2.3 Premalignant Oral Lesions
- Leukoplakia: 5% transform
- Erythroplakia: 50% transform â biopsy
- Submucous fibrosis (檳æŠ)
- Lichen planus (low risk)
82.2.0.3 ð¯ èªææª¢æž¬
- 5 倧 risks? â èž/é /檳æŠ/HPV/EBV
- HPV oropharynx subsites? â Tonsil, base of tongue
- EBV-related cancer? â NPC
- Plummer-Vinson cancer? â Post-cricoid SCC
- Adult unilateral serous OM? â NPC suspect
- Concurrent CRT drug? â Cisplatin
- Cetuximab role? â Cisplatin ineligible / EXTREME
- Pembro CPS mono threshold? â ⥠20
- Pre-RTå¿ é ? â Dental clearance
- Most common malignant salivary? â Mucoepidermoid
- Adenoid cystic key feature? â Perineural invasion
- NPC induction regimen? â Gemcitabine + cisplatin
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