Case Report

Histopathological Finding of Microdamage Accumulation in Atypical Subtrochanteric Femoral Fracture

Table 1

Laboratory findings after the patient’s primary surgery.

ItemsAbbreviationsUnitsReference valuesPresent case findings

Serum calciumsCamg/dL8.7–10.09.9
Inorganic phosphorusiPmg/dL2.5–4.64.2
Alkaline phosphataseALPU/L115–359254
Bone-specific alkaline phosphataseBAPU/L9.6–35.416.3
Tartrate-resistant acid phosphatase 5bTRACP-5bmU/dL120–420446
Intact parathyroid hormoneIntact PTHpg/mL10–6534
Uncarboxylated osteocalcinucOCng/mL<4.504.29
Urine type I collagen cross-linked N-telopeptideuNTxnmol BCE/mmol-Cr14.3–89.0113.3
Urine deoxypyridinoline/creatinineFDPY/CREnmol/mmol-Cr2.8–7.620.0
25-Hydroxyvitamin D25-OH-Dng/mL≥3026.0

BCE: bone collagen equivalent.