Serum ACE 139 U/L (ref range 8-52)
Corrected serum Ca 3.73 mmol/L (ref range 2.10-2.60)
Patient proceeded to a right cervical lymph node biopsy:
Microscopic description: Sections of lymph node show extensive non-necrotising granulomatous inflammation. Multinucleated giant cells are present. There is no evidence of malignancy.
DIAGNOSIS: Non-necrotising granulomatous inflammation, consistent with sarcoidosis.