Workup of a Thyroid Nodule - Flowchart
Workup of a Thyroid Nodule - Flowchart Thyroid Nodule Thyroid Nodule
«Flowchart»

Presence of thyroid nodule

Presence of thyroid nodule

Presence of thyroid nodule

History and physical

History and physical

History and physical

Ultrasound

Ultrasound

Ultrasound

1–131 or surgery

1–131 or surgery

1–131 or surgery

Radioisotope scan

Radioisotope scan

Radioisotope scan

Hot nodule

Hot nodule

Hot nodule

Cold nodule

Cold nodule

Cold nodule

End

End

End

Serum TSH

Serum TSH

Serum TSH

Low TSH

Low TSH

Low TSH

Normal/elevated TSH

Normal/elevated TSH

Normal/elevated TSH

FNA 2 cm

FNA 2 cm

FNA 2 cm

No FNA

No FNA

No FNA

FNA 1 cm

FNA 1 cm

FNA 1 cm

FNA 1.5 cm

FNA 1.5 cm

FNA 1.5 cm

High/intermediate suspicion

High/intermediate suspicion

High/intermediate suspicion

Low suspicion

Low suspicion

Low suspicion

Very low suspicion

Very low suspicion

Very low suspicion

Benign/no nodule

Benign/no nodule

Benign/no nodule

Repeat with molecular testing or surgery

Repeat with molecular testing or surgery

Repeat with molecular testing or surgery

Follow

Follow

Follow

Surgery

Surgery

Surgery

Repeat

Repeat

Repeat

Cytology

Cytology

Cytology

Nondiagnostic

Nondiagnostic

Nondiagnostic

Benign

Benign

Benign

AUS/FLUS

AUS/FLUS

AUS/FLUS

FN/SFN

FN/SFN

FN/SFN

Suspicious for malignancy

Suspicious for malignancy

Suspicious for malignancy

Malignant

Malignant

Malignant