Lívia Teresa Moreira Rios; Marília da Glória Martins; Vanda Maria Ferreira Simões; Marynéa do Vale Nunes; Patrícia Franco Marques; Silvia Helena Cavalcante de Souza Godoy
Radiol Bras 2010;43(4):273-274 - CASE REPORT
Acalvaria is a rare congenital malformation of unknown pathogenesis characterized by the absence of the flat bones of the cranial vault, dura mater and associated muscles, while the central nervous system is usually preserved. The most accepted physiopathogenic theory suggests the presence of a postneurulation defect with normal placement the embryonic ectoderm. The present report describes neonatal imaging findings of primary acalvaria.
Lívia Teresa Moreira Rios; Ricardo Villar Barbosa de Oliveira; Marília da Glória Martins; Olga Maria Ribeiro Leitão; Vanda Maria Ferreira Simões; Janilson Moucherek Soares do Nascimento
Radiol Bras 2011;44(4):265-267 - CASE REPORT
Spinal lipomas are rare, accounting for 1% of all spinal tumors and being associated with occult spinal dysraphism in more than 99% of cases. Such lesions are divided into three main types, namely, lipomyelomeningoceles, intradural lipomas, and filum terminale fibrolipomas. The present report describes a case of congenital lumbosacral lipoma associated with cutaneous stigmata of the lumbar dermal sinus type.
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