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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Causes of bulging anterior fontanelle

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

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