Thyroid Nodules

Thyroid Nodules

Cold Nodule

Thyroid nodule fine needle aspiration biopsy

Benign etiologies

1- Simple Cyst
2- Colloid cyst/Non-functioning Follicular Adenoma
3- Focal Hemorrhage
4- Inflammatory conditions
5- Parathyroid Adenoma

Malignant:

1- Thyroid carcinoma
2- Parathyroid adenoma/carcinoma
3- Thyroid Lymphoma
4- Metastatic Disease

Risk factors for malignancy

Hot Nodule

Benign Etiologies:

1- Benign hyperfunctioning follicular adenoma
2- Adenomatous Hyperplasia
3- Compensatory Hypertrophy
4- Physiologic Thyroid Hyperplasia

Malignant Etiologies:

1- Thyroid Carcinoma

Indeterminate Nodule

Discordant Nodule

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