Hypothalamic hamartoma

In hypothalamic hamartoma the child presents with
1.uncontrollable laughing aka gelastic seizures
2.central precocious puberty
The treatment is stereotactic radiation therapy aka Gamma knife surgery.

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KERLEY LINES OR SEPTAL LINES

kerley A lines: seen near Apex unbranched Kerley B lines: seen at the base and unbranched Kerley C lines : seen in Central and perihilar region Most common are Kerley b lines Kerley b lines are found in pulmonary venous hypertension And in conditions causing dilated lymphatics eg: lymphangitis carcinomatosis, MS ,LVF , Interstial lung diseases. Image courtesy : www.radiopedia.org

Loosers zones in Radiology

Loosers zones or psuedo fractures pathognomonic for osteomalacia. However it is also seen rarely in pagets disease Fibrous dysplasia Hyperparathyroidism Renal osteodystrophy Hyperphospatasia Osteogenesis imperfecta

Paediatric one liners

All lysosomal storage diseases are autosomal recessive in transmission except Hunters disease and Fabry disease which are X linked recessive. As Hunter syndrome is X linked recessive it will only affect males.

Meditimes

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