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Thyroid neolasm - Coggle Diagram
Thyroid neolasm
Predisposing factors
Ext. irradiation
On top of SNG (follicular)
On top of Hashimoto's (lymphoma)
Genitic
From follicular cells
Benign
Follicular adenoma
Solitary nodule, normal thyroid function
No capsular or vascular invasion
FNAC Can't differentiate between adenoma & carcinoma
TTT : hemithyroidectomy + histopathology
if malignant >>> completion thyroidectomy
Malignant
Differentiated
Follicular carcinoma
Multiplicity
Spread
Micro
10 year survival
Age &sex
Incidence
(17%)
Papillary carcinoma
Multiplicity
Spread
Micro
10 year survival
Age &sex
children
& 20-40
F:M 3.5:1
Incidence
(70-80%)
Undifferentiated
Anaplastic carcinoma
Multiplicity
Spread
Micro
10 year survival
Age &sex
Incidence
(1-5%)
From parafollicular C cells
Medullary carcinoma
Lymphocyte
Malignant lymphoma
Matastasis or local infeltration