Anatomy vs Surgery-Gen — Key differences for NEET MDS
Trigeminal V = main sensory nerve head face. V1 Ophthalmic = sensory only forehead. V2 Maxillary = sensory only midface. V3 Mandibular = only division with motor and sensory. Lingual nerve = taste anterior two-thirds via chorda tympani from VII. IAN block anesthetizes V3 = IANB. Facial nerve VII = motor muscles of facial expression. Marginal mandibular branch = important surgical landmark.
📖 Read full notes →T1 = tumor less than 2cm. T2 = tumor 2-4cm. T3 = tumor greater than 4cm. T4 = invasion of adjacent structures bone skin. N0 = no regional lymph node metastasis. N1 = single ipsilateral node less than 3cm. Radical neck dissection = removes all 5 structures SCM IJV SAN. Modified radical = spares 1 or more structures. Selective neck dissection = specific levels only.
📖 Read full notes →NEET MDS frequently tests the ability to differentiate between related topics. Understanding the key differences between Head Neck Nerve Supply and Head Neck Cancer TNM in Anatomy vs Surgery-Gen is crucial for scoring well. Questions may test diagnostic features, treatment approaches, or characteristic findings.