dr braimah -dr akpalaba -dr ediale notes/1/2/dr-akpalaba-dr-braimah-dr... · nasal obstruction was...
TRANSCRIPT
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-DR BRAIMAH
-DR AKPALABA
-DR EDIALE
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Out line Introduction
Anatomy / H&N Lymphatics
AETIOLOGICAL / RISK FACTOR
PATHOLOGY
-Probable Primary Tumour Site
-Theories of Tumour Spread
- Histology
- Staging
DIFFERENTIAL DIAGNOSIS
CLINICAL FEATURES
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Case 1
F/30 years
Student
Itsekiri
Christain
Ekewan rd B/C
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Referred from gastroenterology unit internal medicine managing for peptic ulcer disease with upper GI bleeding on account of
Nasal obstruction X 10/12
Abnormal noise in right ear X 2/12
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Nasal obstruction was persistent, snoring, assoc. Mouth breathing, post-nasal drip, hyposmia, halitosis.
Had one episode of epixstasis 3 years ago, also had one episode of haematemesis about the same time. EBL ~250mls.
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Tinnitus, tapping, hearing impairment, and aural fullness. No vertigo, otalgia, or otorrhoea
Positive hx of significant weight loss, no anorexia or bone pains. No yellowness of the eyes.
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Positive hx of deep seated retro-orbital pain, no diplopia,no neck swelling, no preceeding fever
No hx of exposure to irradiation, chemicals, wood dust, no hx of alcohol or tobacco intake, no preference for smoked fish.
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On Tabs Rabeprazole, Diclofenac, Nicotinic acid
Not a known HTN, Asthma, DM, or Peptic ulcer disease patient.
No previous history of surgeries or blood transfusion.
3rd of 6 children in a monogamous setting
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O/E
Conscious, alert, afebrile, anicteric, not pale
Nose- no abnormality detected
Neck- multiple posterior triangle lymph nodes, mobile, 3X4cm, submandibular nodes 3X4 cm mobile
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Oropharynx- nodular mass in nasopharynx, post nasal drip, absent gag reflex, granular posterior pharyngeal wall, torus palatine
Ears- TM intact and dull bilat
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CVS-
PR-96bpm
BP- 110/70 mmHg
Chest
RR- 20cpm
BS- vesicular
Abd- NAD
Ass – Nasopharyngeal Tumor
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Plan
E/U/A Nose and Nasopharynx
Tabs ciprofloxacin 500mg bd X 1/52
E/U/Cr—Urea- 14mg/dl
Na+- 135 mmol/l
K+- 4.5 mmol/l
HCO3- 20 mmol/l
Cl- 107 mmol/l
Serum Cr- 1.0 mg/dl
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FBC-
Hb-10.2
HCT- 31%
WBC- 6,200
Plt- 292,000
Diff-N-28%
L- 50%
O- 22%
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Clotting profile- PT-17.3 secs
Ctrl-13.0s
Normal range- 11-15s
PTTK- 33.0 s
Ctrl- 29.0s
Normal range-20-40s
INR- 1.44
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RVS- positive
Biopsy- inflammatory polyp
Repeat biopsy- Nasopharyngeal carcinoma (squamouscell)
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Referred to National hospital for radiotherapy
Requested her slides from UBTH for immunohistochemistry.
Diag- Diffuse large B-cell lymphoma
Currently receiving Chemotherapy.
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Case 2 M/30 years
Farmer
Bini
Christain
B/C
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PC: Swelling in right side of mouth X 2/12
Right neck swelling X 1/52
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Swelling in rt side of the mouth assoc pain on swallowing, no preceeding trauma, increasing in size, no bleeding, no halitosis.
No dysphagia, no hoarseness, fever or cough.
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Noticed swelling in right side of neck a week prior to presentation, increasing in size assoc pain, no hx of trauma.
Had uvulectomy on acct of symptoms X1/12 by traditional practitioner.
Referred from a private hosp.
No co-morbidities
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PMHx- nil
Married with a child in a monogamous setting
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O/E
afebrile, anicteric, not pale
Oropharynx- markedly enlarged right tonsil, mild hyperaemia,ulcer over the ant. Portion, anterior pillar matted with anterior portion of tonsil. Granular PPW
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Nose- NAD
Ears-NAD
Neck-swelling in posterior triangle, 4X6cm, firm, smooth, not tender, no diff warmth, not attatched.
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Plan;
For biopsy tonsillectomy
CT scan of neck –no money
Tabs PCM 1g tds X 1/52
Tabs Ciprofloxacin 500mg bd X 1/52
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Warm saline gargle
FBC- normal
FNAC- benign smear
Biopsy- neuroendocrine carcinoma diff- diffuse lymphoma
Referred to Eko hospital for radiotherapy.
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Introduction
One of the most prognostic factors in head and neck cancer is the presence or absence, level and size of metastatic neck disease.
A neck node is a pointer to primary disease often in the head and neck which should be sought.
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Epidemiology Incidence is more in males than females 4:1
Peak age M-65 yrs, F-55yrs.
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Anatomy
Anterior and posterior triangles
Posterior- occipital and subclavian
Anterior- submental, submandibular, muscular,carotid
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Lymphatics.
Waldeyer’s internal ring
Waldeyer’s external ring- aka superficial cervical nodes
around the skull base- occipital post-auricular, parotid or preauricular, buccal.
In the neck- superficial cervical, submandibular and submental.
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Deep cervical nodes
Junctional nodes- upper, middle and lower cervical nodal groups situated along the int. Jugular vein
The spinal accessory nodes, the nuchal nodes, the visceral nodes in the midline of the neck and nodes in the upper mediastinum
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B: Lymph Node Levels
1. Level I. Submental & Submandibular
- lips, oral cavity, skin of face
2. Level II. Upper jugular
- oro- nasopharynx, paranasal sinuses, parotid
3. Level III. Middle jugular
- oropharynx, tonsils, tongue
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4. Level IV. Lower jugular
- hypopharynx, larynx, thyroids, cervical
oesophagus
5. Level V. Posterior Triangle
- Va: nasopharynx, hypopharynx,
- Vb: lung, GIT , UT
6. Level VI. Anterior Triangle
- larynx, thyroid gland
7. Level VII. Upper Anterior Mediastinum
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AETIOLOGIC / RISK FACTORS Cigarette smoking
Alcohol
Hydrocarbons – methyl cholanthrine
- benzopyrene
-benzanthracene
Asbestoes
Nikel & Chromate Dust
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AETIOLOGIC / RISK FACTORS
Dietary factors (Chinese –NPC)
Vitamin A Deficiency (epithelial metaplasia)
Vitamin C Deficiency
Paterson – Brown Syndrome
(postcricoid carcinoma)
Wood dust
Irradiation
Human papilloma virus (6, 11, 16)
Genetic / familial
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PATHOLOGY PROBABLE PRIMARY TUMOUR SITES
--- Nasopharynx 60%
--- Oropharynx –Tonsil } 20%
-Base of the tongue}
--- Pyriform fossa 10%
--- Other Head and neck tumours
--- Bronchus
--- Lungs
--- Breast
--- Stomach
--- Prostate
--- Elsewhere
--- Occult Primaries 3---5%
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PATHOLOGY THEORY OF TUMOUR SPREAD
Lymphaticovenous communication
( Passive Transport within Lymph)
Venous –Lymphatic Communication
Inter-Lymphatic Route
Direct Penetration
Surgery
Chemotherapy
Radiotherapy
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PATHOLOGY- histology Nodal necrosis
Fat deposits (periphery)
Suppurative nodes (irregular / ill-defined
margins)
Matted / Streaky (extracapsular spread)
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Cancer infiltrated lymph nodes
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PATHOLOGY- histology Squamous cell carcinoma 30 – 50%
Undifferentiated / Anaplastic 25%
Adenocarcinomas
Others -- malignant melanoma
-- thyroid cancer etc
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UICC STAGING NX REGIONAL LYMPH NODES CANNOT BE ASSESSED
NO NO REGIONAL LYMPH NODE METASTASIS
NI SINGLE IPSILATERAL LYMPH NODE, = / <3 CM IN
GREATEST DIMENSION
N2 SINGLE IPSILATERAL OR BILATERAL L YMPH NODE
N2A SINGLE IPSILATERAL LYMPH NODE,>3 CM BUT <6CM
N2B MULTIPLE IPSILATERAL LYMPH NODES, <6 CM
N2C BILATERAL OR CONTRALATERAL LYMPH NODES,
<6 CM
N3 METASTASIS IN A LYMPH NODE >6 CM IN
GREATEST DIMENSION
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DIFFERENTIAL DIAGNOSIS SQUAMOUS CELL CARCINOMA
LYMPHOMA
ADENOCARCINOMA
OCCULT PRIMARY
BRANCHOGENIC CARCINOMA
THYROGLOSSAL DUCT CARCINOMA
CANCER IN A PHARYNGEAL POUCH
MALIGNANT NEUROGENIC TUMOUR
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CLINICAL FEATURES Enlarged cervical node
Progressivel increasing
+/- painless
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CLINICAL FEATURES
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CLINICAL FEATURES Nasal symptoms -obstruction
-discharge
-epistaxis
Otological symptoms --otorrhoea
--otalgia
--aural fullness
--hearing loss
Dysphagia
Odynophagia
Hoarseness
Difficulty in breathing
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CLINICAL FEATURES Neuro-ophthalmic symptoms
Cough
Hemoptysis
Dyspepsia
Weight loss
Vomiting
Urinary symptoms
Level(s) of lymph node(s) invoved pointer to
primary site
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Levels of cervical lymph nodes SUBMENTAL
SUBMANDIBULAR
PAROTID
UPPER CERVICAL, ABOVE HYOID BONE,
ALONG THE INTERNAL
JUGULAR CHAIN
MIDDLE CERVICAL, BETWEEN HYOID
BONE AND CRICOID
CARTILAGE,
ALONG INTERNAL
JUGULAR CHAIN
LOWER CERVICAL, BELOW CRICOID CARTILAGE,
ALONG INTERNAL JUGULAR CHAIN
POSTERIOR TRIANGLE (ALSO KNOWN AS ACCESSORY
CHAIN)
SUPRACLAVICULAR FOSSA
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MANAGEMENTof Metastatic Neck Nodes
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HISTORY
- Neck swelling:Duration, Pain, Progression, OtherSwellings
- Nasal Obstruction, Epistaxis
- Hearing Loss/Otalgia
- Odynophagia/Dysphagia
- Hoarseness
- Cough, Anorexia/Weight Loss
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O/E – H & N
- Neck: site/size/consistency/mobility
- Oral Cavity/Oro-pharynx
- Nasendoscopy
- Ears
- Axilla
- Chest & Abdomen
- Genitalia
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INVESTIGATIONSA. SPECIFIC
FNAC
CT-Scan H&N, Chest, Abdomen, Pelvis
MRI
CXR, USS
Barium studies
Pan-endoscopy
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B. NON- SPECIFIC
FBC + ESR, EUC
EBV- Serology
RVS
Mantoux
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EUA + Pan-endoscopy + biopsy
- In the event no tumour is found, blind biopsies taken from both sides of nasopharynx and tongue base, and tonsillectomy performed on the side of the node.
- Histology/Immuno-Histochemistry
- INCISION BIOPSY???
- FROZEN SECTION
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TREATMENT
MULTIMODAL :
1. Nodal Stage
2. Histology
3. Site of Primary Tumour
- Radiotherapy
- Surgery
- Chemotherapy
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RADIOTHERAPY
- N1 nodes
- Radiosensitive tumours e.g. SCCa, Lymphoma
- Adjuvant Rx
- Palliative
- 50 - 70/60 – 75 Gy, @ 2Gy/session, over 5 - 7wks
Patient preparation
Complications
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SURGERY
Neck Dissection
- Modified Radical
- N2 & N3 Disease
- Tumour Recurrence
Primary Tumour Site
- Tumour Excision: Tonsillectomy, Laryngectomy,
Thyroidectomy, Parotidectomy.
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Complications
- Bleeding
- Jugular Vein Thrombosis
- Facial / Cerebral Oedema
- Chylous fistula
- Shoulder Drop
- Infection
- Hypertrophic Scar
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CHEMORX
- SCCA:
Neo-adjuvant, Concurrent, Adjuvant:
Platinum-base Cytotoxic ChemoRx
- Lymphoma: R-CHOP
- Palliative
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PROGNOSIS : 30 - 50%
FOLLOW- UP
- At least 5 years
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ADVANCES
- Investigation:
A. Positron Emission Tomography (PET) :
- FDG
- Detect Primary Tumour in 70-90% of Cases.
- Follow-up Monitoring
B. Laser-induced Fluorescence Imaging
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- Therapy:
A. Intensity Modulated Radiotherapy (IMRT)
B. Local Microwave Hyperthermia : 42 – 45 oC
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LOCAL EXPERIENCE( JUL 2010 – JULY 2012)
- Head & Neck Tumours = 83 cases
- NPCa = 25%
- SCCA= 50%
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CONCLUSION- Neck masses – High malignancy index
- Mgt is centred on thorough H & N evaluation: pan-endoscopy
- Incision Biopsy.....’’CAUTION’’
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REFERENCES Werner J A. Historical outline on the nomenclature of neck lymph nodes on the
basis of neck dissection classification. Laryngorhinootologie. 2001 Jul; 8(7): 400 – 9. Article in Germany.
Watkinson J C, Gaze M N, Wilson J A. Metastatic neck disease. Stell and Maran’shead and neck surgery, Arnold: 2000; 4th edition, pp 197 – 213.
Hibbert J (1997). Metastatic neck disease, in Scott – Brown’s otolaryngology, 6th
edition, vol. 5, Laryngology and head and neck surgery, Butterworth Heineman, Oxford, chap. 17. Pp 1 – 18.
Lindberg R (1972). Distribution of cervical lymph nodes metastasis from squamouscell carcinoma of upper respiratory and digestive tracts, cancer 29 : 1146 – 9.
International union against cancer (UICC) 1997 TNM classification of malignant tumours, 5th edition Wiley – Liss , New York.
Ansari J, Glaholm J. Management of the patient presenting with neck lymphadenopathy and an unknown primary carcinoma. In Scott – Brown’s otolaryngology, 7th edition. Arnold London 2008. Chap 198 pp 2702 – 10.
Wong W L, Saunders M. The impact of FDG PET on the management of occult primary head and neck tumours. Clinical oncology (Royal College of Radiologist (Great Britain)). 2003; 15: 461 – 6.
Shehadeh N J, Ensely J F, Kucuk O, Black C, Yoo G H, Jacobs J et al. Benefits of post operative chemoradiotherapy for patients with unknown primary squamous cell carcinoma of head and neck. Head and neck. 2006; 28: 1090 – 8.
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THANKS FOR LISTENING