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Title : Case 886

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.

Correct Answer
Total applicants 25 Correct answers 11
Name Institution
곽경수 전문의
윤유성 경북대학교병원, 전문의
김정아 전문의
박혜주 전문의
김형엽 전문의
김지환 전문의
도윤아 전문의
박서영 전문의
이강휘 전공의
홍상협 전문의
백승진 보바스기념병원, 전문의


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