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Hypertrophic Pyloric Stenosis
Joseph Junewick, MD FACR
over 10 years ago
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Case History


4 month old former 24 week premature infant with respiratory distress.


Case Detail

Anatomy: Musculoskeletal
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Trauma
Created: over 9 years ago
Updated: over 9 years ago
Tags: PEDS
Modality/Study Types: CR US
Activities:
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Reveal Findings

CR – Collar of periosteal new bone at the level of the right proximal humeral physis.

US – Periosteal new bone is not as echodense as cortex and is discretely visible. No joint effusion, pannus or chondrolysis.

Reveal Discussion

More than 80% of fetal bone mass is achieved during the 3rd trimester. Rickets of prematurity is seen in infants less than 28 weeks gestation and less than 1000 grams; breast milk and formula do not supply adequated calcium and phosphorus to support normal bone health. Total parenteral nutrition may contribute to metabolic bone disease.

Radiographic findings include osteopenia and fractures. Rib fractures may impair breathing in patients who are already respiratorily compromised. Typically rachitic changes of the metaphyses of the long bones will not be seen until the infants overcome the stresses of prematurity and begin to grow.

Sonography may be helpful in establishing the diagnosis of fracture before there are radiographic signs and in differentiating from osteomyelitis .

Reveal Diagnosis

Insufficiency Fracture, Rickets of Prematurity

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