Hands on temporal Bone dissection workshop-2

Hands-on Temporal Bone Dissection Workshop-2
The 2nd edition of the Hands-on Temporal Bone Dissection Workshop was organized as an expanded 2-day advanced surgical skills program held on May 17 & 18, 2025. Jointly conducted by the Department of ENT and the Department of Anatomy, this edition advanced beyond basic mastoid drilling to emphasize intricate facial nerve preservation, middle ear reconstructive surgery, and deep otologic corridors.

The workshop hosted a select cohort of 15 postgraduate ENT residents, ensuring optimal 1:1 station equipment availability, prolonged microscope handling time, and intensive personalized mentorship from senior otologists and clinical anatomists.

Key Highlights & Dissection Goals
Spread over two comprehensive days, postgraduates received progressive, step-by-step training transitioning from basic cortical bone work to high-precision ossicular chain dynamics, facial recess dissection, and translabyrinthine exploration.

  • 2-Day Expanded Format – Ample dissection table hours for complete bone drill-down
  • Facial Nerve Skeletonization – Mastery of tympanic and mastoid segments with diamond burrs
  • ENT & Anatomy Collaboration – Seamless integration of macroscopic anatomy and microsurgical technique
  • Exclusive Batch – Capped at 15 PG students for high faculty-to-delegate interaction
  • Endolymphatic & Labyrinthine Exposure – Practical exposure to neurotologic access routes
All cadaveric temporal bone specimens were prepared under strict ethical and anatomical protocols, offering trainees realistic tactile resistance and spatial depth orientation crucial for live otologic surgery.
Structured 2-Day Module Schedule (17/05/2025 – 18/05/2025)
The two-day curriculum combined prosected demonstrations, micro-otology lectures, high-definition video walkthroughs, and hands-on drilling.
Day 1 focused on cortical mastoidectomy, opening the antrum, delineating the dural and sinus plates, and skeletonizing the facial recess. Day 2 advanced into radical and modified radical cavities, posterior tympanotomy for round window/cochleostomy exposure, labyrinthectomy, and exposure of the internal auditory canal (IAC).

Two-Day Curriculum Breakdown

Day 1: Mastoidectomy & Facial Recess | Day 2: Advanced Otology & Labyrinthectomy
Surface landmarks & Macewen triangle drilling | Modified radical mastoidectomy (canal wall down)
Mastoid antrum identification & aditus exposure | Facial nerve skeletonization from geniculate ganglion to stylomastoid foramen
Skeletonization of sigmoid sinus & tegmen plates | Posterior tympanotomy & cochleostomy visualization
Incus bridge maintenance & chorda tympani isolation | Complete labyrinthectomy & internal auditory canal dissection

Core Surgical Modules & Procedures
Throughout the two days, candidates progressively dissected anatomical specimens under operative microscopes, focusing on:

Identification of the spine of Henle, cribriform area, and zygomatic root. Rapid canal-wall-up cortical drilling with continuous irrigation, exposing the antrum while preserving the bony tegmen tympani and sigmoid sinus margins.
Precise drilling of the facial triangle (bounded by the vertical facial nerve, chorda tympani nerve, and fossa incudis). Comprehensive visualization of the incudostapedial joint, round window niche, and promontory.
Conversion of mastoidectomy into modified radical mastoidectomy (Bondy / MRM): lowering the facial ridge to the level of the vertical segment, amputating the bridge, and saucerizing cavity margins.
Controlled thinning of the fallopian canal bone covering the second genu and mastoid segment using 2mm to 1mm diamond burrs with continuous suction-irrigation for nerve safety.
Systematic drilling of the horizontal, posterior, and superior semicircular canals to reach the common crus, opening the vestibule, and tracing the path toward the internal auditory canal.
Interactive discussions led by the Department of Anatomy provided cross-sectional correlation between wet-lab dissection planes and clinical CT temporal bone imaging.
Eligibility & Workstation Setup
Tailored to maximize operative confidence for surgical residents before entering clinical otologic surgery.
Workstation orientation included safety drill checks, ergonomic posture, foot-switch coordination, and proper microscope balance.

WORKSHOP FACULTY & ORGANIZERS

DEPARTMENT OF ENT
DEPARTMENT OF ENTLead Otology Faculty
Senior ENT Surgeon guiding postgraduate trainees through mastoidectomy and middle ear reconstructions.
DEPARTMENT OF ANATOMY
DEPARTMENT OF ANATOMYAnatomical Lead
Supervising temporal bone dissection, landmark identification, and specimen quality assurance.
ORGANIZING COMMITTEE
ORGANIZING COMMITTEEWet-Lab Coordinator
Managing dissection station logistics, continuous suction-irrigation, and micro-motor consoles.

Workshop-2: 15 PG Students Trained • 2 Days of Hands-On Dissection

Conducted on 17/05/2025 & 18/05/2025 | Jointly organized by the Department of ENT and Department of Anatomy.

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PG Students Trained
0 Days
Intensive Hands-on Workshop
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Cadaveric Temporal Bone Dissection
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