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Enlarged head:
hydrocephalus (most common), SDH, hemiatrophy, Beckwith-Wiedemann
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Small head:
absent or atrophic brain, craniosynostosis, shunt placement
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Thick skull:
renal osteodystrophy, HPT, anemias, leukemia, lymphoma, chronic decreased intracranial pressure (shunts most common cause of calvarial thickening), dilantin, FD
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Lytic skull lesions:
EG, leukemia, lymphoma, FD, dermoid, epidermoid, HPT
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Multiple lacunae:
physiologic, increased intracranial pressure, meningocele, encephalocele
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Wormian bones:
normal, cleidocranial dysostosis, hypothyroidism, OI, pyknodysostosis, Downs � CHOPS
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Harlequin eyes:
craniosynostosis, NF, craniometaphyseal dysplasia
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Congenital nasal masses:
nasal cephalocele, nasal glioma, dermoid/dermal sinus
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Neck mass in infant:
fibromatosis colli, branchial cleft cyst, lymphangioma/hemangioma, thyroglossal duct cyst, thymic cyst, dermoid, adenopathy, rhabdomyosarcoma, lymphoma, neuroblastoma
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Intracranial calcification:
physiologic (choroid plexus, pineal gland, falx), tumor (craniopharyngioma, oligodendroglioma, meningioma), infection (TORCH, TB, cysticercosis), congenital (congenital atrophy, TS, Sturge-Weber), metabolic (hypoparathyroid, Fahr�s), trauma, vascular (AVM, hematoma, aneurysm)
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Enlarged sella turcica:
craniopharyngioma (most common), optic chiasm/hypothalamic glioma, increased intracranial pressure, empty sella
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