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Table 1 Clinical characteristics of the patients

From: Unusual presentations of functional parathyroid cysts: a case series and review of the literature

Age, sex (years)

Clinical symptoms

Serum calcium (mg/dl)

Serum PTH (pg/ml)

Intracystic PTH (pg/ml)

Detection technique

Position of the parathyroid cyst

Size (cm)

Treatment

Serum PTH 1 day after surgery (pg/ml)

87, F

Confusion

Dysphagia

Dehydration

13.84

305

n.d.

MIBI negative and CT scan positive

Upper right

3.5 × 3 × 2

Surgical resection

8

31, F

Hypertensive crisis with transient ischemic attack

10.76

259

n.d.

MIBI positive and US positive

Lower left

3.5 × 2 × 1

Surgical resection

7

34, F

Kidney stones, neck mass

11.04

1410

4,347,000

MIBI suspect and US positive

Lower left

5 × 4.5 × 4*

Surgical resection after initial fine-needle aspiration with recurrence 1 month later

17

  1. CT computed tomography, MIBI 99mTc sestamibi, n.d. not determined, US ultrasound. * after preoperative fine-needle aspiration. Normal range for serum calcium is 8.6 to 10.2 mg/dl (to change units in mmol/l, divide by 4); parathyroid hormone is 10 to 70 pg/ml