Hands on temporal Bone dissection workshop-3

Hands-on Temporal Bone Dissection Workshop-3
The 3rd Hands-on Temporal Bone Dissection Workshop was conducted as an advanced 2-day surgical training program on July 25 & 26, 2025. Jointly organized by the Department of ENT and the Department of Anatomy, this edition expanded on earlier workshops by focusing on mastering translabyrinthine corridors, facial canal decompression, complex ossicular chain reconstruction, and cochlear implant access routes.

The workshop enrolled a select cohort of 15 postgraduate ENT residents, guaranteeing personalized station-level proctoring, maximized high-speed drill operative time, and direct guidance from senior otolaryngologists and anatomical experts.

Key Highlights & Dissection Goals
Postgraduates engaged in dedicated wet-lab drills navigating three-dimensional temporal bone anatomy, bridging surgical risk mitigation with hands-on precision under high-magnification binocular operating microscopes.

  • 2-Day Advanced Dissection – Extended table time dedicated to complex temporal bone exposures
  • Facial Decompression & Cochleostomy – Safe drilling corridors for otologic and implant surgeries
  • ENT & Anatomy Collaboration – Seamless integration of macroscopic anatomy and micro-otology
  • Small Batch Excellence – Strictly limited to 15 PG students for individualized faculty instruction
  • Neurovascular Safeguards – Real-time proctoring for jugular bulb, sinus plate, and facial nerve safety
All temporal bone specimens were prepared in full adherence to ethical and institutional protocols, offering participants realistic surgical resistance and true-to-life tissue feedback.
Structured 2-Day Module Schedule (25/07/2025 – 26/07/2025)
Conducted over two full days, the schedule balanced interactive prosection reviews, 3D anatomical walkthroughs, microscopic video demonstrations, and uninterrupted wet-lab micro-drilling.
Day 1 focused on landmark identification, high-speed cortical mastoidectomy, dural and sinus plate skeletonization, and posterior tympanotomy. Day 2 progressed into advanced techniques: canal wall down procedures, facial nerve canal unroofing, complete labyrinthectomy, and exposure of the internal auditory canal (IAC).

Two-Day Curriculum Breakdown

Day 1: Mastoidectomy & Facial Recess | Day 2: Advanced Corridors & Labyrinthectomy
Surface landmarks, Macewen triangle & antrum access | Modified radical mastoidectomy (canal wall down)
Dural plate & sigmoid sinus skeletonization | Complete unroofing of mastoid segment of facial nerve
Incus buttress & chorda tympani identification | Labyrinthectomy (semicircular canals & vestibule)
Posterior tympanotomy & cochleostomy visualization | Internal auditory canal exposure & petrous apex access

Core Surgical Modules & Procedures
Throughout the workshop, delegates progressively dissected anatomical specimens under operative microscopes, focusing on:

Systematic drilling of the mastoid cortex with continuous irrigation, exposing the aditus ad antrum, delineation of the tegmen tympani superiorly, and the sinus plate posteriorly while maintaining a thin bony shell.

Dissection of the facial recess bounded by the vertical segment of the facial nerve, chorda tympani nerve, and fossa incudis. Direct line of sight to the round window niche and promontory for electrode array placement.

Safe conversion to modified radical mastoidectomy: lowering the facial ridge down to the level of the fallopian canal, taking down the bridge, and saucerizing the margins for a self-cleaning cavity.

Precision diamond burr drilling to skeletonize and expose the second genu and vertical mastoid segments of the facial nerve down to translucent eggshell bone without thermomechanical injury.

Systematic ablation of the lateral, superior, and posterior semicircular canals to reach the common crus, opening the vestibule, and following landmarks towards the fundus of the internal auditory canal.
Interactive discussions led by faculty from the Department of Anatomy correlated micro-dissected structural views with radiological landmarks from high-resolution CT temporal bone scans.
Eligibility & Workstation Setup
Curated specifically to advance surgical confidence and micro-motor control for postgraduate trainees prior to performing independent middle ear surgeries.

Target Audience

Postgraduate ENT residents (MS ENT / DNB ENT) seeking structured, advanced cadaveric bone drilling experience.
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Equipment Standard

Dedicated high-speed surgical micro-motors, continuous suction-irrigation units, carbide/diamond burrs, and operating microscopes.
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Certification

Joint certificate issued by the Department of ENT and Department of Anatomy with accredited state CME credit hours.
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Each candidate was instructed on drill safety protocols, hand-piece ergonomic balance, foot pedal modulation, and optic positioning before beginning dissections.

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-3: 15 PG Students Trained • 2 Days of Hands-On Dissection

Conducted on 25/07/2025 & 26/07/2025 | 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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