Skip to content
← Cancer of Unknown Primary (CUP)

HEALTH PROFESSIONAL · SOURCE READING

Cervical Lymph Node(s) With Squamous Cell Histology (Head and Neck Paradigm)

Source: Cancer of Unknown Primary (CUP) Treatment (PDQ®)–Health Professional Version, National Cancer Institute.

Source updated: May 7, 2025 · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary.

Context: Treatment of Newly Diagnosed Favorable Cancer of Unknown Primary

PET-CT, MRI, and pan-endoscopy for biopsies and bilateral tonsillectomies are performed when squamous cell carcinoma is identified in cervical lymph nodes (not supraclavicular) in patients with CUP.[5]

Source links and citations

Transoral robotic surgery may replace pan-endoscopy in the search for a primary site in the head and neck region.[6] Pathological studies should include testing for p16 expression to assess human papillomavirus status, Epstein-Barr virus status, and PD-L1 expression.[7]

Source links and citations

For more information, see Metastatic Squamous Neck Cancer with Occult Primary Treatment.

Source links and citations

Publication references

Read the original reference and check its publication notices.

Preserved source evidence · Not medical advice