Two Case Reports of Angioleiomyoma of the Finger
DOI:
https://doi.org/10.17140/ROJ-1-109Keywords:
Angioleiomyoma, MRI; Hyalization, MyxoidAbstract
Angioleiomyoma represents a benign stromal tumor, which usually occurs in the subcutaneous
tissue of the extremities. The angioleiomyoma in the finger is rare. We report 2 rare cases of
an angioleiomyoma in finger. Case one, was a 72-year-old man with a mass on the radial side
of distal phalanx of the left third finger. Case two, was a 70-year-old man with a mass on the
ulnar side of interphalangeal joint of the left thumb. Both cases showed isointense to hypointense
mass lesion on both T1 and T2-weighted images and were pathologically diagnosed with
an angioleiomyoma. Heterogeneously isointense to hypointense on T2-weighted MR image
showed two components: smooth muscle tissue punctuated with thick-walled vessles and/or
hyalization on pathological finding. When much hyalization is included, it will not be enhanced
on gadolinium-enhanced fat suppressed T1-weighted magnetic resonance (MR) image. Both
T2-weighted and gadolinium-enhanced fat suppressed T1-weighted MR image findings should
considered to predict tumor composition.
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