Question:

Diagnosis of FFCD is usually established by:
1. radiographs
2. ultrasound
3. MRI
4. CT
5. biopsy





Answer:

The correct answer for the question "Diagnosis of FFCD is usually established by:" is:

1. radiographs



Explanation

The radiographic appearance of FFCD is pathognomic. (FFCD of the tibia appears as a well-defined elliptic lucent defect in the medial metadiaphyseal cortex along with sclerosis on the lateral border of the lesion in combination with unilateral tibia vara…MRI is needed only in ambiguous cases and should then be preferred to CT (because of radiation exposure)…Ultrasound can be used for follow-up). Biopsy of FFCD is not needed.



From the manuscript:
Unilateral tibia vara in a toddler caused by focal fibrocartilaginous dysplasia
Radiology Case. 2009 Sep; 3(9):14-17


This article belongs to the Pediatric section.




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From the manuscript

Unilateral tibia vara in a toddler caused by focal fibrocartilaginous dysplasia

Free full text article: Unilateral tibia vara in a toddler caused by focal fibrocartilaginous dysplasia

Abstract
Focal fibrocartilaginous dysplasia (FFCD) of the tibia is a rare tumor like lesion probably caused by a failure of differentiation in the pes anserinus area. The children usually present with unilateral tibia vara and conspicuous walking features. The radiographic appearance of FFCD is pathognomic. In most cases this benign condition undergoes spontaneous resolution. Curettage or corrective osteotomy is only indicated when the deformity is persistent or progressive. We report the case of a 14 months old toddler diagnosed with FFCD. The characteristic radiographic and MRI features are presented. Further, we present for the first time the sonographic appearance of FFCD.






References



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