Cancer Surgery

Head & Neck
Cancer Surgery

Specialised head and neck surgical oncology — with deep expertise in oral cavity cancers, parotid and salivary gland tumours, composite resections, and complex reconstructive surgery including free flap microvascular reconstruction. Cure is the goal. Function and form are preserved wherever possible.

Oral Cavity Cancers
Parotid Tumours
Free Flap Reconstruction
Voice Rehabilitation
Training
Head & Neck Oncology — Tata Memorial Hospital · 3 yrs Plastic & Reconstructive Surgery
📍
Centre
Sahyadri Manipal Hospitals & Silver Leaf Clinic, Pune
  Dedicated Thyroid Surgery Website
Complete Thyroid Surgery Information
at bestthyroidsurgeon.in

Dr. Gore's dedicated thyroid surgery website has comprehensive information on all thyroid and parathyroid conditions — thyroid cancer surgery, total thyroidectomy, robotic & scarless thyroidectomy, parathyroid preservation, and post-operative care.

www.bestthyroidsurgeon.in
Thyroid Cancer — Papillary, Follicular, Medullary, Anaplastic Total Thyroidectomy with central neck dissection Robotic & scarless thyroidectomy — no neck scar Parathyroid preservation with ICG NIR autofluorescence Radioiodine coordination and post-op TSH suppression
  Visit bestthyroidsurgeon.in  
Full clinical information, patient guides,
and appointment booking at the dedicated thyroid website
Thyroid Cancer Surgery Robotic Thyroidectomy Parathyroid Surgery Voice Preservation

Head & Neck Surgical Oncology

Head and neck cancers encompass malignancies of the oral cavity, pharynx, larynx, salivary glands, thyroid, parathyroid, and skin of the head and neck region. Surgery is the primary curative modality for most oral cavity and salivary gland cancers — and the expertise of the operating surgeon directly determines both cure rates and functional outcomes.

Dr. Gore's training in Head & Neck Oncology at Tata Memorial Hospital, Mumbai — one of Asia's highest-volume head and neck cancer centres — combined with three years of plastic and reconstructive surgery at Sassoon General Hospital, Pune, gives him a uniquely comprehensive skill set: oncological resection with the expertise to reconstruct complex defects using local, regional, and free flap techniques. This combination — oncological and reconstructive — is not available from every surgeon.

His research publications in oral cancer reconstruction and salivary gland tumours, and a prospective database of 200+ laryngectomy with TEP voice rehabilitation cases, reflect the depth of his head and neck oncology experience.

🩺
A Note from Dr. Gore Head & Neck Oncologist · Tata Memorial & Sassoon Trained

In head and neck cancer surgery, the stakes are uniquely high — because the structures we operate on define who the patient is: their voice, their ability to swallow, their face. Every operation must balance oncological clearance — which cannot be compromised — with the best possible functional and aesthetic outcome.

My training at Tata Memorial gave me the oncological framework, and three years in plastic and reconstructive surgery at Sassoon gave me the reconstructive tools. Together, they allow me to resect oral cancers with clear margins and then reconstruct the defect — sometimes immediately — using the most appropriate flap for that specific patient. The result is cure without the patient losing more function than absolutely necessary.

— Dr. Vinod T. Gore, MBBS MS FAIS FIAGES FARIS (Edin)

Laryngeal & Pharyngeal Cancer

Laryngeal and pharyngeal cancers are primarily managed with organ-preservation chemoradiation protocols — surgery reserved for salvage or when radiation has failed. Dr. Gore's surgical role is in selected laryngectomy and voice rehabilitation.

Laryngeal Cancer

Squamous cell carcinoma of the larynx (glottis, supraglottis, subglottis) — early stages (T1–T2) are treated with radiotherapy or endoscopic laser resection, achieving excellent voice preservation. Locally advanced disease (T3–T4) receives concurrent chemoradiation (Cisplatin + 70 Gy) as the organ-preservation standard. Total laryngectomy is reserved for radiation failure, T4b disease with cartilage destruction, or when organ preservation is oncologically not feasible. Dr. Gore performs total laryngectomy with primary tracheoesophageal puncture (TEP) for voice rehabilitation — placing the voice prosthesis at the time of laryngectomy so patients recover with a functioning voice.

Primary: Chemoradiation · Surgery for Salvage

Pharyngeal Cancer

Oropharyngeal cancer (base of tongue, tonsil, soft palate, posterior pharyngeal wall) — predominantly driven by HPV (HPV-positive oropharyngeal cancer has an excellent prognosis). Nasopharyngeal cancer is treated with radiation ± chemotherapy — surgery rarely needed. Hypopharyngeal cancer (pyriform sinus, posterior pharyngeal wall) — concurrent chemoradiation is standard; surgery for failures or T4 disease. For selected resectable oropharyngeal cases, TORS (Transoral Robotic Surgery) allows minimally invasive tumour removal without pharyngotomy.

Primary: Chemoradiation · TORS for Selected Cases

Voice Rehabilitation After Laryngectomy — TEP (Tracheoesophageal Puncture)

Total laryngectomy does not mean permanent silence. Dr. Gore performs primary TEP at the time of laryngectomy — placing a voice prosthesis that allows patients to speak by diverting airflow through the tracheoesophageal party wall. He maintains one of India's largest prospective databases of post-laryngectomy voice rehabilitation with TEP.

200+
Laryngectomy + primary TEP cases — prospective voice rehabilitation database

Parotid & Salivary Gland Tumours

Parotid tumours — ranging from benign pleomorphic adenomas to malignant carcinomas — require expert surgical management to achieve complete excision while preserving the facial nerve, which courses through the parotid gland and controls all facial expression.

The parotid gland is the largest salivary gland, lying in front of and below the ear. It is intimately related to the facial nerve (VII) — the nerve that controls all facial expression — which divides into its five branches (temporal, zygomatic, buccal, marginal mandibular, cervical) as it passes through the parotid. Any operation on the parotid must identify and preserve this nerve; inadvertent damage causes permanent facial palsy.

The majority of parotid masses are benign — most commonly pleomorphic adenoma (the most common salivary gland tumour) — but all require surgical excision for definitive histological diagnosis and to prevent malignant transformation. The standard operation is superficial parotidectomy — removing the superficial lobe of the gland with systematic facial nerve identification and preservation.

Malignant parotid tumours require total parotidectomy with wider soft tissue margins and, in higher-grade cancers, sacrifice of involved facial nerve branches with immediate nerve grafting using the great auricular nerve or sural nerve. Neck dissection is added for clinically or radiologically node-positive necks.

Dr. Gore has published research on salivary gland tumours and has extensive experience in parotid surgery — with meticulous facial nerve dissection as the technical foundation of every parotidectomy.

Pleomorphic Adenoma (Mixed Tumour)

Most common parotid tumour — slow-growing, lobulated, mobile. Treated by superficial parotidectomy with complete capsule removal. If incompletely excised, high recurrence rate (30%) — complete excision with facial nerve preservation is essential.

Benign — 80% of parotid tumours

Warthin's Tumour (Cystadenolymphoma)

Second most common — bilateral in 10% of cases. Associated with smoking. Soft, cystic, fluctuant parotid swelling. Benign — treated by superficial parotidectomy. No malignant potential.

Benign

Mucoepidermoid Carcinoma

Most common malignant salivary tumour. Low-grade behaves almost benignly; high-grade is aggressive with nodal metastasis. Wide local excision / total parotidectomy + selective neck dissection for high-grade. Adjuvant radiotherapy for high-grade or positive margins.

Malignant — Most Common

Adenoid Cystic Carcinoma

Characterised by perineural invasion — notorious for tracking along facial nerve branches. Slow growing but relentless — high rate of distant lung metastases. Total parotidectomy with nerve sacrifice if involved. Adjuvant radiation essential. Long-term surveillance mandatory.

Malignant — Perineural Spread
Facial Nerve — The Critical Structure

Every parotid operation requires systematic identification and dissection of the facial nerve — from the main trunk at the stylomastoid foramen through all five divisions. This meticulous nerve dissection is the most demanding technical aspect of parotid surgery.

Superficial
Superficial parotidectomy — facial nerve identified, preserved intact. Standard for benign tumours and low-grade malignancies confined to the superficial lobe.
Total
Total parotidectomy — both lobes removed with complete facial nerve dissection. For deep lobe tumours, recurrent pleomorphic adenomas, and all malignant parotid tumours.
Nerve Graft
When malignant tumour directly invades the facial nerve — the involved segment is sacrificed and immediately reconstructed with a nerve graft (great auricular or sural nerve), restoring function over 6–12 months.

Submandibular & Sublingual Gland Tumours: Submandibular gland tumours have a higher malignancy rate (~50%) than parotid tumours. Treatment is excision of the submandibular triangle contents including the gland, with preservation of the marginal mandibular branch of the facial nerve, lingual nerve, and hypoglossal nerve.

Oral Cavity Cancer Surgery

Oral cavity cancers — predominantly squamous cell carcinoma — are among the most surgically curable head and neck cancers when treated with clear-margin resection and appropriate reconstruction. India carries one of the world's highest oral cancer burdens, largely driven by tobacco and betel nut use.

Oral cavity cancer surgery follows one overriding oncological principle: achieve clear surgical margins (≥5mm histologically confirmed) — this is the single most important determinant of local recurrence and survival. Every other consideration — function, reconstruction, aesthetics — is secondary to oncological clearance.

Surgery for oral cancers involves two simultaneous operations: resection of the primary tumour (hemiglossectomy, buccal mucosa excision, composite resection) and neck dissection — because oral cancers drain predictably to cervical lymph nodes and occult nodal metastases are present in 20–30% of clinically node-negative patients with T2+ tumours.

The resulting defect — which may involve loss of tongue, floor of mouth, cheek lining, mandible, or palate — is then reconstructed immediately at the same operation. Immediate reconstruction is the standard: it reduces hospital stay, accelerates recovery, prevents contracture, and restores function faster than delayed reconstruction.

Surgical Margin — Why It Matters
Clear Margin ≥5mm
Local recurrence rate: <10%. No adjuvant radiotherapy to surgical site needed unless nodal disease present.
Close Margin 1–5mm
Local recurrence rate: 20–30%. Adjuvant radiotherapy to surgical site recommended. Re-excision if feasible.
Positive Margin (<1mm)
Local recurrence rate: >50%. Mandatory adjuvant chemoradiation. Re-excision where technically feasible.
Intraoperative frozen section analysis of all margins is performed at the time of surgery to guide adequacy of excision.

Tongue Cancer (Oral Tongue)

The most common oral cavity site in India — lateral border and ventral tongue are the most frequent locations. Hemiglossectomy (removal of half the tongue) or subtotal glossectomy depending on tumour extent. Frozen section of the deep margin is critical — tumour depths ≥4mm on ultrasound require elective neck dissection even in cN0 patients.

Hemiglossectomy — for unilateral tumours with adequate deep margin
Subtotal / Near-total glossectomy — for larger T3–T4 tumours; free flap essential for function
Reconstruction — RFFF (radial forearm free flap) is the gold standard for tongue defects; maintains pliability and sensation
Elective ipsilateral selective neck dissection (levels I–III) for T2+ or depth of invasion >4mm
✓ Stage I–II: 80–90% 5-year survival with clear-margin surgery

Buccal Mucosa Cancer

Lining of the cheek — extremely common in tobacco-chewers and betel nut users. Buccal mucosal cancers are notorious for close proximity to the buccinator muscle, buccal fat pad, and skin — requiring en-bloc excision with adequate deep margin. Tumours invading the buccinator or skin require full-thickness cheek resection with reconstruction.

Wide excision of buccal mucosa with buccinator — for T1–T2 confined disease
Composite resection (skin + muscle + mucosa) — for T3–T4 with skin or masseter involvement
Reconstruction — nasolabial flap for small defects; PMMC or RFFF for large through-and-through cheek defects
Skin grafting — for mucosal-only defects where skin is intact
✓ Stage I–II: 70–85% cure rates with clear margins + elective neck dissection

Alveolar (Gum) & Retromolar Cancer

Cancers of the upper and lower alveolar ridge (gum) and retromolar trigone frequently invade the underlying mandible (lower jaw) or maxilla (upper jaw). Mandibular involvement requires partial or segmental mandibulectomy — removal of a segment of the mandible — with immediate reconstruction using the fibula free flap, which provides both bone and soft tissue for three-dimensional reconstruction of the jaw.

Marginal mandibulectomy — cortical bone rim resection when tumour abuts but does not invade cancellous bone
Segmental mandibulectomy — full-thickness jaw resection for cortical invasion or perineural spread
Fibula Free Flap — the workhorse of mandibular reconstruction; provides 25cm vascularised bone with skin paddle and dental implant potential
Maxillectomy — for upper alveolar/palatal cancers; reconstruction with obturator or flap
✓ Fibula free flap restores jaw continuity, aesthetics, and function including dental rehabilitation

Floor of Mouth & Hard Palate

Floor of mouth cancers lie in close proximity to the lingual nerve, hypoglossal nerve, Wharton's duct, and the mandible — requiring precise anatomical dissection. Involvement of these structures requires controlled sacrifice with reconstruction. Hard palate cancers may require maxillectomy — the defect communicates with the nasal cavity and requires either obturator prosthesis or flap closure.

Floor of mouth excision ± mentum-sparing mandibulectomy — for tumours involving the inner cortex
Reconstruction — RFFF provides thin, pliable lining ideal for floor of mouth and allows tongue mobility preservation
Infrastructure maxillectomy — for palatal cancers; reconstruction with obturator or buccal fat pad + skin graft
Total maxillectomy — for extensive palatal / maxillary sinus involvement; ALT or RFFF reconstruction
✓ Immediate reconstruction at same operation — reduces hospital stay, preserves function, prevents contracture

Neck Dissection — Staging & Cure

Cervical lymph node metastasis is the single most important prognostic factor in oral cavity and head and neck cancer — halving survival when nodes are involved. Neck dissection is a surgical, staging, and therapeutic procedure performed at the time of primary tumour excision.

The neck is divided into six levels — each draining specific head and neck subsites. The choice of neck dissection type depends on whether nodes are clinically involved (cN+) and which levels are at risk based on the primary tumour site.

For clinically node-positive necks (cN+) — comprehensive neck dissection removing all involved nodal levels is performed. Adjuvant chemoradiotherapy is given when there are multiple positive nodes, extranodal extension (ENE), or positive surgical margins.

For clinically node-negative necks (cN0) in patients with T2+ oral cancers or depth of invasion >4mm — elective selective neck dissection (levels I–III for oral cavity primaries) is performed, because 20–30% of these patients have occult micrometastases not detectable on imaging. Finding and treating these occult metastases at the primary operation significantly improves cure rates.

Selective Neck Dissection (SND)

Removes specific nodal levels at risk based on primary site — spares the sternocleidomastoid muscle (SCM), internal jugular vein (IJV), and accessory nerve. Best functional outcome. Standard for elective (cN0) neck management and selected cN+ cases.

IIIIIIOral Primary

Modified Radical Neck Dissection (MRND)

Removes levels I–V while preserving one or more non-lymphatic structures (SCM, IJV, or accessory nerve). For cN+ disease — comprehensive clearance with better functional outcome than radical dissection. Dr. Gore's preferred approach for cN+ oral cancers.

IIIIIIIVV

Radical Neck Dissection (RND)

Removes levels I–V including SCM, IJV, and accessory nerve — reserved for tumours directly invading these structures. Significant functional morbidity (shoulder dysfunction from accessory nerve sacrifice). Used only when oncologically necessary.

I–VSCMIJVAccessory N.

Bilateral neck dissection is performed for midline oral cavity primaries (floor of mouth, anterior tongue, lower lip) — where bilateral nodal drainage creates equal risk on both sides. Both sides are cleared at the same operation, staged if vascular anatomy dictates.

Reconstruction After Oral Cancer Surgery —
Restore What Was Removed

Dr. Gore's three years of plastic and reconstructive surgery training at Sassoon General Hospital — alongside his Head & Neck Oncology training at Tata Memorial — gives him the dual expertise to resect and reconstruct in the same operation. The goal: oncological cure without sacrificing form or function.

 3 Years Plastic & Reconstructive Surgery · Sassoon General Hospital, Pune & B.J.M.C. · MCI-Recognised Post

Reconstruction of head and neck defects is one of the most technically demanding areas in surgery. The face and oral cavity demand not just structural coverage but functional restoration — the reconstructed tongue must move; the rebuilt jaw must be symmetric; the reconstructed cheek must close the mouth; the flap covering the pharynx must not obstruct swallowing.

This requires expertise in three categories of reconstruction — local flaps (tissue from immediately adjacent to the defect), regional pedicled flaps (tissue brought from a distance on its blood supply), and free flaps (tissue completely disconnected from its origin and reattached by microsurgical anastomosis of vessels). The choice depends on defect size, location, available local tissue, and patient factors.

Dr. Gore's published research on "Reconstruction of defects caused by ablation of oral malignancy" reflects his systematic study and clinical expertise in this area — choosing the right reconstruction for each specific defect, every time.

Local Flaps
Adjacent Tissue
Nasolabial Flap
For small buccal mucosa, floor of mouth, and lip defects — excellent colour match, reliable blood supply, minimal donor site morbidity.
Palatal Island Flap
For small palatal and alveolar defects — uses mucosa and periosteum of the hard palate, rotated on the greater palatine artery.
FAMM Flap
Facial artery musculomucosal flap — for intraoral defects. Excellent for buccal mucosa, palatal, and floor of mouth small-to-medium defects.
Pedicled Regional Flaps
Distant — Pedicle Intact
PMMC Flap
Pectoralis Major Myocutaneous Flap — workhorse of head and neck reconstruction. Reliable, robust, large volume for pharyngeal and oral defects. Some bulk disadvantage.
Supraclavicular Flap
Thin, pliable skin paddle from the supraclavicular region — excellent for intraoral lining, neck skin, and cheek defects. Minimal donor morbidity.
Deltopectoral Flap
For external neck skin and lower face defects — reliable fasciocutaneous flap based on perforators from the internal mammary artery.
Free Flaps — Microsurgical
Gold Standard · Complex Defects
RFFF
Radial Forearm Free Flap — thin, pliable, sensate. Gold standard for tongue, floor of mouth, and buccal defects requiring mobile lining. Fascia allows excellent tongue movement post-reconstruction.
Fibula Free Flap
Fibula bone + skin paddle — gold standard for mandibular reconstruction. Provides 25cm vascularised bone, osseointegrated dental implant potential, three-dimensional jaw restoration.
ALT Flap
Anterolateral Thigh Free Flap — large, versatile, minimal donor morbidity. For large oral, pharyngeal, and through-and-through cheek defects requiring significant soft tissue volume.

Excellent Cure Rates —
When Surgery Is Done Right

Oral cavity cancer surgery offers some of the best cure rates in head and neck oncology — when performed with clear margins and appropriate reconstruction by an experienced surgical team. Stage is the most important determinant of outcome, followed by margin status and nodal disease.

  • Stage I oral cancer — surgery alone. 5-year survival: 80–90%. No adjuvant treatment needed with clear margins.
  • Stage II oral cancer — surgery + elective neck dissection. 5-year survival: 65–80%. Adjuvant RT if high-risk features.
  • Stage III (N+) — surgery + adjuvant chemoradiation. 5-year survival: 45–65%. Depends on number of nodes and extranodal extension.
  • Clear surgical margin ≥5mm — local recurrence <10%. The most modifiable prognostic factor.
  • Immediate free flap reconstruction — reduced hospital stay, faster functional recovery, lower contracture rates vs delayed.
  • Tobacco cessation post-surgery — dramatically reduces second primary cancer risk. Actively counselled at every visit.
80–90%
5-year survival — Stage I oral cancer with clear-margin surgery
<10%
Local recurrence rate with clear surgical margins ≥5mm
200+
Laryngectomy + TEP voice rehabilitation — prospective database
5 yrs
Head & Neck Oncology training — Tata Memorial Hospital, Mumbai

Frequently Asked Questions

I have tongue cancer. Will I lose the ability to speak or swallow?
The extent of speech and swallowing impairment depends on how much tongue is removed. For hemiglossectomy (half the tongue), most patients achieve intelligible speech and functional swallowing with speech and swallowing therapy — particularly when the remaining tongue is mobile. For larger resections, immediate reconstruction with a radial forearm free flap (RFFF) is critical — the thin, pliable flap allows movement of the reconstructed tongue against the palate, enabling both speech articulation and bolus propulsion for swallowing. Most patients with free flap tongue reconstruction return to a soft-to-normal diet and intelligible speech, though some adaptation is required.
My parotid lump has been growing slowly for years. Is it definitely benign?
Not necessarily — slow growth does not guarantee benignity. Pleomorphic adenoma (the most common benign parotid tumour) grows slowly over years. However, even pleomorphic adenoma carries a risk of malignant transformation if left untreated for many years — into carcinoma ex-pleomorphic adenoma, which is an aggressive malignancy. Additionally, some malignant parotid tumours (like low-grade mucoepidermoid carcinoma or adenoid cystic carcinoma) also grow slowly. All parotid lumps require MRI assessment and fine-needle aspiration (FNAC) before operation, and excision (superficial parotidectomy) is the definitive management regardless of presumed benignity.
Will the parotid operation affect my facial expression?
Temporary facial weakness (neuropraxia) occurs in 15–20% of superficial parotidectomies — due to nerve handling during dissection — but resolves completely in the majority of patients within weeks to months. Permanent facial palsy should not occur with careful, systematic facial nerve dissection in experienced hands. When the tumour directly invades the facial nerve (in malignant parotid cancers), the affected nerve segment must be sacrificed — but immediate nerve grafting (using the great auricular nerve from the same side) is performed to restore function progressively over 6–12 months. Dr. Gore uses intraoperative nerve monitoring (NIM) to identify and confirm facial nerve branches during parotid dissection.
I have a jaw cancer requiring mandibulectomy. Can my jaw be reconstructed?
Yes — mandibular reconstruction with the fibula free flap is the gold standard. The fibula bone provides up to 25cm of vascularised bone that can be precisely contoured to match the shape of the resected jaw segment. A skin paddle from the fibula skin covers the intraoral defect. The reconstructed jaw maintains facial symmetry, restores bite function, and — after healing — can receive dental implants for full dental rehabilitation. This reconstruction is performed immediately at the same operation as the cancer resection, so the patient wakes up with the reconstruction already in place. Recovery involves jaw physiotherapy and usually speech and swallowing rehabilitation.
I use tobacco. I have an ulcer in my mouth that hasn't healed in 3 weeks. What should I do?
See a doctor immediately — this week, not next month. An oral ulcer that persists beyond 2–3 weeks in a tobacco user must be assumed to be oral cancer until proven otherwise. It may be a benign aphthous ulcer or traumatic ulcer — but it may also be an early oral cancer, when it is most curable. Clinical examination, and if suspicious, an incisional biopsy under local anaesthetic provides the diagnosis within 5–7 days. Early-stage oral cancer (Stage I) has a cure rate exceeding 80% with surgery alone. Delaying assessment allows the cancer to progress to a later, less curable stage. Do not wait.
Where can I find information about thyroid cancer surgery?
Dr. Gore has a dedicated thyroid surgery website with comprehensive information on all thyroid conditions — papillary thyroid cancer, follicular thyroid cancer, medullary thyroid cancer, total thyroidectomy, central neck dissection, robotic & scarless thyroidectomy, parathyroid preservation, and radioiodine coordination. Visit www.bestthyroidsurgeon.in → for the complete thyroid surgery resource.

Consult Dr. Gore for Head & Neck Cancer

For oral cavity cancer, parotid tumours, or any head and neck cancer concern — book a consultation with Dr. Gore for a complete assessment, staging workup, and personalised surgical plan with reconstruction.

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