Sacral agenesis

Case contributed by Aneta Kecler-Pietrzyk
Diagnosis certain

Presentation

Ongoing back pain.

Patient Data

Age: 35 years
Gender: Female
x-ray

Type III sacral agenesis (articulation of iliac bones with lowest lumbar vertebrae).

Right sided hip joint hypoplasia with superior dislocation of the femur and pseudoarticulation. 

Additionally two laminated stones within urinary bladder and intrauterine contraceptive device in situ.

Case Discussion

Sacral agenesis is a very rare and severe sacral developmental abnormality. The incidence is between 0.005% and 0.1% with increased incidence in fetuses of diabetic mothers. 

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