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Calcifying aponeurotic fibroma with osseous involvement of the finger: a case report with radiologic and US findings.

Choi SJ, Ahn JH, Kang G, Lee JH, Park MS, Ryu DS, Jung SM - Korean J Radiol (2008 Jan-Feb)

Bottom Line: Calcifying aponeurotic fibroma is a rare soft tissue tumor that occurs in the distal extremities of children and adolescents.We report ultrasound and X-ray findings of a calcifying aponeurotic fibroma in the finger of a 36-year-old woman, associated with distal phalangeal bone involvement.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Asan Foundation, GangNeung Asan Hospital, University of Ulsan College of Medicine, Sachun-Myun, Gangneung, Korea. sjchoi@gnah.co.kr

ABSTRACT
Calcifying aponeurotic fibroma is a rare soft tissue tumor that occurs in the distal extremities of children and adolescents. We report ultrasound and X-ray findings of a calcifying aponeurotic fibroma in the finger of a 36-year-old woman, associated with distal phalangeal bone involvement.

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A. High-resolution US demonstrates lobulated soft tissue mass (arrows) with internal punctate hyper-echoic foci (calcifications). The mass is adhered and scalloped the cortex of the phalanx (arrowheads).B. Color Doppler US shows hypo-vascularity of the mass.
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Figure 2: A. High-resolution US demonstrates lobulated soft tissue mass (arrows) with internal punctate hyper-echoic foci (calcifications). The mass is adhered and scalloped the cortex of the phalanx (arrowheads).B. Color Doppler US shows hypo-vascularity of the mass.

Mentions: A 36-year-old woman with no history of any trauma exhibited a palpable mass on the volar ulnar aspect of her left middle finger at the level of the distal interphalangeal joint for a year. Physical examination revealed a 1×1.5-cm hard, non-tender, non-movable mass. Motion of the distal interphalangeal joint was normal. Plain radiographs of the finger revealed a calcifying soft tissue mass associated with large cortical scalloping on the volar ulnar side of the distal phalanx (Fig. 1). The distal interphalangeal joint was normal in appearance. On the high-resolution ultrasound (US) exam (HDI5000, Philips Medical System, Bothell, WA) with a high-frequency (15-7 MHz) compact linear transducer, a heterogeneously hyper-echoic mass with surface lobulation and extrinsic cortical erosion by the mass was clearly observable (Fig. 2A). The vascularity of the mass was not detected on color Doppler US (Fig. 2B). Surgery revealed a flesh-colored lobulated mass was firmly attached to the periosteum of the distal phalanx and eroded it. However, the mass could be excised without any resection of the bone. Microscopic sections revealed a spindle-cell neoplasm with scattered calcifications and chondroid differentiation (Fig. 3). A pathologic diagnosis of calcifying aponeurotic fibroma was made. During the last nine months, the patient has been well with no signs of recurrence.


Calcifying aponeurotic fibroma with osseous involvement of the finger: a case report with radiologic and US findings.

Choi SJ, Ahn JH, Kang G, Lee JH, Park MS, Ryu DS, Jung SM - Korean J Radiol (2008 Jan-Feb)

A. High-resolution US demonstrates lobulated soft tissue mass (arrows) with internal punctate hyper-echoic foci (calcifications). The mass is adhered and scalloped the cortex of the phalanx (arrowheads).B. Color Doppler US shows hypo-vascularity of the mass.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2627172&req=5

Figure 2: A. High-resolution US demonstrates lobulated soft tissue mass (arrows) with internal punctate hyper-echoic foci (calcifications). The mass is adhered and scalloped the cortex of the phalanx (arrowheads).B. Color Doppler US shows hypo-vascularity of the mass.
Mentions: A 36-year-old woman with no history of any trauma exhibited a palpable mass on the volar ulnar aspect of her left middle finger at the level of the distal interphalangeal joint for a year. Physical examination revealed a 1×1.5-cm hard, non-tender, non-movable mass. Motion of the distal interphalangeal joint was normal. Plain radiographs of the finger revealed a calcifying soft tissue mass associated with large cortical scalloping on the volar ulnar side of the distal phalanx (Fig. 1). The distal interphalangeal joint was normal in appearance. On the high-resolution ultrasound (US) exam (HDI5000, Philips Medical System, Bothell, WA) with a high-frequency (15-7 MHz) compact linear transducer, a heterogeneously hyper-echoic mass with surface lobulation and extrinsic cortical erosion by the mass was clearly observable (Fig. 2A). The vascularity of the mass was not detected on color Doppler US (Fig. 2B). Surgery revealed a flesh-colored lobulated mass was firmly attached to the periosteum of the distal phalanx and eroded it. However, the mass could be excised without any resection of the bone. Microscopic sections revealed a spindle-cell neoplasm with scattered calcifications and chondroid differentiation (Fig. 3). A pathologic diagnosis of calcifying aponeurotic fibroma was made. During the last nine months, the patient has been well with no signs of recurrence.

Bottom Line: Calcifying aponeurotic fibroma is a rare soft tissue tumor that occurs in the distal extremities of children and adolescents.We report ultrasound and X-ray findings of a calcifying aponeurotic fibroma in the finger of a 36-year-old woman, associated with distal phalangeal bone involvement.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Asan Foundation, GangNeung Asan Hospital, University of Ulsan College of Medicine, Sachun-Myun, Gangneung, Korea. sjchoi@gnah.co.kr

ABSTRACT
Calcifying aponeurotic fibroma is a rare soft tissue tumor that occurs in the distal extremities of children and adolescents. We report ultrasound and X-ray findings of a calcifying aponeurotic fibroma in the finger of a 36-year-old woman, associated with distal phalangeal bone involvement.

Show MeSH
Related in: MedlinePlus