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SEER Training Modules

Surgery: Thyroid Gland

Key:
X = complete
* = partial
o = optional

Tissues Removed
Types of Surgery Tumor Only Involved Thyroid Lobe Thyroid Isthmus Contralat Thyroid Lobe Lymph Nodes Other Organs
Local surgical excision X/*          
Partial removal of lobe X *        
Lobectomy with/without isthmectomy, without lymph node dissection   X °      
Lobectomy with/without isthmectomy, with lymphnode dissection   X °   X  

Lobectomy, isthmectomy, partial removal of contra-lateral lobe, without lymph node dissection

  X X *    
Lobectomy, isthmectomy, partial removal ofcontra-lateral lobe,with lymph node dissection   X X * X  
Near totalthyroidectomy,with or without lymph node dissection   X X * °  
Total thyroidectomywithout lymph node dissection   X X X    
Total thyroidectomywith limited nodedissection includesnodal sampling, "berry picking," andunspecified nodedissection   X X X *  
Total thyroidectomywith radical or modified lymph node dissection   X X X X  
Thyroidectomy, NOS   X/* X/* X/*    
Surgery ofregional/distantsites/nodes only           X/*