Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review

An 18-year-old female presented with long-standing inability to flex her left thumb. MRI of the left thumb revealed flexor pollicus longus (FPL) tendon hypoplasia, and subsequent ultrasound of the bilateral thumbs confirmed a left-sided hypoplastic FPL tendon. Structural integrity of the left FPL te...

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Main Authors: Sachin Dheer, MD, Joon S. Oh, Michael Rivlin, MD
Format: Article
Language:English
Published: Elsevier 2019-05-01
Series:Radiology Case Reports
Online Access:http://www.sciencedirect.com/science/article/pii/S1930043319300548
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author Sachin Dheer, MD
Joon S. Oh
Michael Rivlin, MD
author_facet Sachin Dheer, MD
Joon S. Oh
Michael Rivlin, MD
author_sort Sachin Dheer, MD
collection DOAJ
description An 18-year-old female presented with long-standing inability to flex her left thumb. MRI of the left thumb revealed flexor pollicus longus (FPL) tendon hypoplasia, and subsequent ultrasound of the bilateral thumbs confirmed a left-sided hypoplastic FPL tendon. Structural integrity of the left FPL tendon was confirmed during surgical examination under anesthesia. Multiple congenital anomalies of the FPL have been described, but FPL tendon hypoplasia and its appearance on imaging are rarely reported. This case demonstrates the diagnosis of FPL tendon hypoplasia on MRI, ultrasound, and surgical examination under anesthesia; and demonstrates the importance of including this entity in the differential diagnosis for impaired thumb flexion. Keywords: Flexor pollicis longus, FPL, Hypoplasia
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spelling doaj.art-8227905fc9ce49a585df2c17ce385fdc2022-12-21T22:41:39ZengElsevierRadiology Case Reports1930-04332019-05-01145565567Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature reviewSachin Dheer, MD0Joon S. Oh1Michael Rivlin, MD2Department of Radiology, Jefferson University Hospital, Philadelphia, PA, USA; Corresponding author.Rowan University, School of Osteopathic Medicine, Stratford, NJ, USAJefferson University Hospital, Clinical Associate Professor, Rothman Orthopaedic Institute, USAAn 18-year-old female presented with long-standing inability to flex her left thumb. MRI of the left thumb revealed flexor pollicus longus (FPL) tendon hypoplasia, and subsequent ultrasound of the bilateral thumbs confirmed a left-sided hypoplastic FPL tendon. Structural integrity of the left FPL tendon was confirmed during surgical examination under anesthesia. Multiple congenital anomalies of the FPL have been described, but FPL tendon hypoplasia and its appearance on imaging are rarely reported. This case demonstrates the diagnosis of FPL tendon hypoplasia on MRI, ultrasound, and surgical examination under anesthesia; and demonstrates the importance of including this entity in the differential diagnosis for impaired thumb flexion. Keywords: Flexor pollicis longus, FPL, Hypoplasiahttp://www.sciencedirect.com/science/article/pii/S1930043319300548
spellingShingle Sachin Dheer, MD
Joon S. Oh
Michael Rivlin, MD
Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review
Radiology Case Reports
title Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review
title_full Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review
title_fullStr Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review
title_full_unstemmed Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review
title_short Flexor pollicis longus (FPL) tendon hypoplasia: A case report and literature review
title_sort flexor pollicis longus fpl tendon hypoplasia a case report and literature review
url http://www.sciencedirect.com/science/article/pii/S1930043319300548
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