Case Report
A Histologically Diagnosed Case with Infantile Osteopetrosis Complicated by Hypopituitarism
Table 1
Laboratory features with respect to postnatal age.
| | Laboratory parameters | At birth | Postnatal day 17 | Postnatal day 26 | Postnatal day 35 |
| | Hemoglobin (g/dL) | 15.4 | 8 | 7.2 | 7.8 | | Platelets (109/L) | 348 | 74 | 65 | 52 | | Leukocytes (109/L) | 19 | 8.4 | 5.2 | 4.1 | | Reticulocytes (%) | 1.1 | 5.6 | 5.1 | 3.8 | | Serum glucose (mg/dL) | 76 | 35 | 42 | 72 | | Serum total calcium (mg/dL) | 8.7 | 8.1 | 7.8 | 7.5 | | Serum phosphorus (mg/dL) | 6.3 | 5.5 | 5.8 | 6.2 | | Serum magnesium (mg/dL) | 2.1 | 1.7 | 1.9 | 2.0 | | Serum LDH (U/L) | 85 | 610 | 578 | 356 | | Serum ALP (IU/L) | 160 | 330 | 570 | 610 | | Serum AST (IU/L) | 32 | 61 | 102 | 110 | | Serum ALT (IU/L) | 28 | 34 | 75 | 82 | | Serum total bilirubin (mg/dL) | 1.16 | 16 | 15.5 | 10.2 | | Serum conjugated bilirubin (mg/dL) | 0.5 | 0.8 | 4.8 | 2.7 | | Serum thyrotropin (mU/L) | — | — | 0.6 | 0.7 | | Serum total thyroxine (g/dL) | — | — | 7 | 8.2 | | Serum free thyroxine (ng/dL) | — | — | 1.5 | 2.1 |
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LDH: lactate dehydrogenase, ALP: alkaline phosphatase, AST: aspartate aminotransferase, and ALT: alanine aminotransferase.
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