Osteopetrosis - autosomal dominant
Growth delay in a chronically ill child with a clinical history of progressive deafness and blindness, and organomegaly on examination .
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Dense bones with a bone within bone appearance
Bone within bone appearance is a classic radiological sign and common spotter radiograph/case study for discussion in postgraduate exams.
In our case the child was treated outside as for provisional diagnosis of thalassemia/sickle cell anemia in view of organomegaly and chronic illness and anaemia;
However, on haematological investigations, the provisional diagnosis was ruled out and based on classical radiological sign and further clinical history and insight (progressive deafness and blindness) the diagnosis of autosomal dominant osteopetrosis was suggested and was confirmed later by the treating physician/pediatrician.
Take home message: importance of not only recognising "classic radiological sign " but eliciting clinical history with correlation of organomegaly and signs and symptoms yields best diagnosis and aid in proper clinical outcomes i.e. highlights role of Clinical Radiologist.