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Occult Primary

NOTE:

Occult Primary, this category applies to PROVEN malignancies without a confirmed primary site. This is NOT the routine to be followed in a search for an Occult Malignancy, i.e. in which a malignancy is highly suspected based on clinical findings, but has not been detected by testing or biopsy.

Carcinoma on biopsy not further categorized

Axillary nodes

  • CT chest and abdomen

Cervical Nodes

  • Chest CT
  • Contrast CT or MRI of Skull base to thoracic inlet
  • PET

Inguinal nodes

Bone lesions, skin and multiple locations

  • CT chest, abdomen and pelvis
  • CT abdomen and pelvis

Mediastinal, chest, pleural nodes, Liver lesions and retroperitoneal mass

  • CT chest, abdomen and pelvis

Supraclavicular nodes

  • CT neck, chest, abdomen and pelvis

Initial work up

  • PET

References