Surgery Features to differentiate parathyroid adenoma from hyperplasia would include which of the following – A Presence of excess chief cells B High levels of parathormone C Infiltration of capsule D Identifying hyperplasia of all 4 glands at surgery in parathyroid hyperplasia. 💡 Explanation Features to differentiate parathyroid adenoma from hyperplasia would include which of the following - ✓ Correct Answer: D. Identifying hyperplasia of all 4 glands at surgery in parathyroid hyperplasia.