presentation1.pptx, radiological imaging of adult neck masses
DESCRIPTION
TRANSCRIPT
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Radiological imaging of adult neck masses.
Dr/ ABD ALLAH NAZEER. MD.
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Anatomy
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Anatomical ConsiderationsProminent LandmarksTriangles of the NeckRegional AnatomyLymph Node LevelsCarotid BulbTransverse Process of C1
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Historical Points.Age:
Up to 15yrs (pediatrics) more than 90% benign16 to 40 (young adult) More than 40yrs (older adults) 80% neoplasm 80% of them malignant (secondary>>primary)
Time courseimmunodeficiency
Prior trauma
Travel, Irradiation, Surgery
Associated symptoms fever, dysphagia, weight loss, otalgia,
hearing loss, respiratory difficulties
Perform a FULL head and neck examination
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Neck Masses:EpidemiologyAdult neck masses are 90% malignantPediatric neck masses are rarely malignant.Most common neck mass in children is anenlarged reactive lymph node 2ry tobacterial/viral infectionsAlmost 50% of all 2 Y/O children havepalpable normal cervical lymph nodes
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Identification of Neck Masses OnBasis Of Their LocationAnterior Neck SwellingsLateral Neck SwellingsPosterior Neck SwellingsDiffuse Neck Swellings
Identification of Neck MassesOn Basis of their location:
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Submental (Inframyelohyoid) dermoid.
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Lipoma.
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Submental lipoma
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Thyroglossal duct cyst TGDC.
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Submental metastatic lymph nodes with rim enhancement.
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Midline Thyrohyoid Region Supraglottic Carcinoma.
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Midline Thyrohyoid Region Metastatic PTC
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Chondrosarcoma of the Hyoid. Bone.
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Midline (Pre-laryngeal/Laryngeal) Thyroid (Pyramidal Lobe PTC).
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Midline (Suprasternal & Pretracheal) Jugular Vein Phlebectasia.
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PTC metastasis in a Para-tracheal L.N.
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Anterior Paramedian Region, laryngeal tumour.
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Submandibular Sialadenitis.
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Granulomatous Lymphadenitis(Sarcoidosis).
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Lymphoma
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Submandibular Lipoma.
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Plunging Ranula.
CECT (A) shows a low density lesion in the sublingual space (arrow) that extends posterior medial to the SMG(B).
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Phlepoectasia (Common facial V)
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T.B. Parotitis & Lymphadenitis
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Atypical Mycobacterial Cervical Lymphadenitis.
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2nd Arch Branchial Cleft Cysts
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Branchial Cyst
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Metastatic Lymph Nodes at carotid triangle.
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B-Cell Lymphoma at carotid triangle.
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Sympathetic Schwannoma Neurofibroma
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Laryngomucocele
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Posterior triangle L.N. enlargement may be due to; TB.
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Supraclavicular lymph nodes..
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Thank You!