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Solitary thyroid nodule

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Old 11-29-2009, 09:48 AM   post no: 1
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Default Solitary thyroid nodule



SOLITARY THYROID NODULE
Definition:Single nodule in otherwise normal thyroid gland
Causes:
[1] Metabolic nodule "colloid adenoma"
[2] True adenoma.
[3] Toxic nodule.
[4] Malignant nodule.
Diagnosis:
I. Clinical picture:
1- Manifestations of toxicity toxic nodule. (See before)
2- Manifestations of suggesting malignancy Malignant nodule. (see before)
3- If there is no symptoms suggesting malignancy or toxicity \ Metabolic adenoma or true adenoma are suspected.
II- Scintillation scanning:
1- Hot nodule Toxic nodule.
2- Cold nodule Metabolic, true adenoma or malignant nodule.
III- Ultrasonography:
1- Cyst with benign conditions.
2- Solid May be benign or malignant.
IV- If malignancy is suspected biopsy may be needed:
1- Fine needle aspiration cytology with high accuracy in skilled hands.
2- Frozen section "Intraoperative"
Treatment:
1- Hemithyroidectomy = isthmus and one lobe
Indicated only in true adenoma
We remove the isthmus as it is a common site of recurrence.
2- Subtotal thyroidectomy:
Indicated in colloid & toxic nodule.
3- Total thyroidectomy indicated in malignant nodule.
Operation: Preoperative preparation and operative details. (see before)
SOURCE: Prof. AYMAN SALEM'S BOOK
Copyright: Vascular Society of Egypt (Vascular Society of Egypt ) &Medical Educational web (Medical Educational web)
Not to be reproduced without permission of Vascular Society of Egypt










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