Type I neurofibromatosis with spindle cell sarcoma: A case report

Table 1 Neurofibromatosis type I diagnostic criteria (National Institutes of Health, 1997)

Two or more of the criteria should be met for diagnostic confirmation
Cafe-au-lait spots (6 or more)
> 5 mm extent—pre-pubertal patients
> 15 mm in patients after puberty neurofibromas of any type (2 or more) Or 1 plexiformneurofibroma
Axillary and inguinal freckling optic glioma
Lisch nodules (2 or more)
Bone lesion with sphenoid bone dysplasia or thinning of the cortex of the long bones withor without pseudoarthrosis
First-degree relative (parent, sibling, or offspring) that meets National Institute of Health criteria