Secondary parathyroid hyperplasia

Case contributed by Ian Bickle
Diagnosis almost certain

Presentation

Abnormal bone profile non-responsive to medications. The patient is on long term dialysis.

Patient Data

Age: 30 years
Gender: Male
ultrasound

1.7cm well defined hypervascular low echogenicity nodule inferior to the lower pole of the left lobe of the thyroid gland.

Thyroid gland normal.

Case Discussion

Secondary hyperparathyroidism is a recognized complication of long-standing renal failure - in this case, a dialysis-dependent patient for many years.

The parathyroid glands become enlarged due to hypertrophy.

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