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Age / Sex : 74 / F
Chief complaint : Right finger pain
What is your diagnosis?
Two weeks later, you can see the final diagonosis with a brief discussion of this case (Please submit only one answer)
Courtesy : 최자영 (Ja-Young Choi), 서울대학교병원 (Seoul National University Hospital)
Diagnosis: Pacinian corpuscles (= Lamellar corpuscles)
Discussion
Findings
- Numerous ovoid, T2-hyperintense, T1-isointense subcutaneous nodules in the palmar subcutaneous fat of the fingers.
- Relatively uniform tiny lesion sizes (1~2 mm) with some clustering.
References
Pacinian corpuscles: an explanation for subcutaneous palmar nodules routinely encountered on MR examinations. Skeletal Radiol 2018 Nov;47(11):1553-1558.
Novel observations of Pacinian corpuscle distribution in the hands and feet based on high-resolution 7-T MRI in healthy volunteers. Skeletal Radiol 2021 Jun;50(6):1249-1255.
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