Table 1: Timeline of events. Date (2025): Event Aug 22: Presentation with fever, tachycardia, abdominal pain. CT: 8×4 mm right ureteral stone. Blood cultures grew E. coli. Urology placed stent. Started IV ceftriaxone. Aug 23-24: Stabilization of sepsis; thrombocytopenia noted. Persistent hypercalcemia identified. Aug 26: Nuclear medicine sestamibi scan: Right-lobe–adjacent persistent uptake (adenoma suspected). Surgery consulted. Aug 27: Renal function normalized, lactic acidosis resolved. Continued IV ceftriaxone. Sept 9 (planned): Completion of IV ceftriaxone. Endocrine surgery follow-up arranged.


Date (2025)

WBC (×103/µL)

Hgb (g/dL)

Plt (×103/µL)

Creatinine (mg/dL)

Ca (mg/dL)

PTH (pg/mL)

25 (OH) Vitamin D (ng/mL)

Notes

Aug 22 (ED)

15.5 ↑

11.8

160

0.9

10.4 ↑

-

-

Admission; lactic acid 2.6 mmol/L

Aug 23

23.2 ↑

11.8

160

0.9

10.4 ↑

-

-

Peak leukocytosis

Aug 24

11.7 ↑

11.4

147 ↓

0.8

11.0 ↑

-

-

Hypercalcemia noted; Platelets nadir

Aug 26

10.4 ↑

11.6

168

0.7

10.7 ↑

-

14 ↓

Nuclear medicine parathyroid scan performed

Aug 27

7.1

11.8

193

0.7

9.8

179 ↑

14 ↓

PTH elevated; Renal function normalized