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Bilateral congenital absence of flexor pollicis longus with thumb hypoplasia and thenar atrophy.

Chaudhary V, Sehgal H, Bano S, Parmar PR, Kumar S - Indian J Radiol Imaging (2014)

Bottom Line: Congenital absence of flexor pollicis longus with or without associated anomalies of thenar muscles and thumb is of rare occurrence.Inability to flex the interphalangeal joint of the thumb and absent dorsal wrinkles and flexion creases of the thumb are important clues to the diagnosis.This article presents an extremely rare case of bilateral congenital absence of flexor pollicis longus tendon with thumb hypoplasia and thenar atrophy.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiodiagnosis, Employees' State Insurance Corporation Model Hospital, Sector-9A, Gurgaon, Haryana, India.

ABSTRACT
Congenital absence of flexor pollicis longus with or without associated anomalies of thenar muscles and thumb is of rare occurrence. Inability to flex the interphalangeal joint of the thumb and absent dorsal wrinkles and flexion creases of the thumb are important clues to the diagnosis. Routine radiography and cross-sectional imaging help to confirm and document the condition. This article presents an extremely rare case of bilateral congenital absence of flexor pollicis longus tendon with thumb hypoplasia and thenar atrophy.

No MeSH data available.


Related in: MedlinePlus

T1W coronal image of both the hands shows absence of bilateral flexor pollicis longus (FPL) tendons. Normally, FPL tendon is seen between the lateral head of flexor pollicis brevis (FPB) and the oblique head of adductor pollicis brevis (AdPB) muscles, and is inserted into the base of the distal phalanx of thumb (see inset images). Bilateral flexor pollicis brevis (FPB) and abductor pollicis brevis (AbPB) muscles were also absent. Hypoplasia/atrophy of bilateral opponens pollicis (OP) muscles was present. Bilateral AdPB muscles appeared normal in morphology
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Figure 3: T1W coronal image of both the hands shows absence of bilateral flexor pollicis longus (FPL) tendons. Normally, FPL tendon is seen between the lateral head of flexor pollicis brevis (FPB) and the oblique head of adductor pollicis brevis (AdPB) muscles, and is inserted into the base of the distal phalanx of thumb (see inset images). Bilateral flexor pollicis brevis (FPB) and abductor pollicis brevis (AbPB) muscles were also absent. Hypoplasia/atrophy of bilateral opponens pollicis (OP) muscles was present. Bilateral AdPB muscles appeared normal in morphology

Mentions: Magnetic resonance imaging (MRI) of hands showed absence of bilateral FPL muscles. In addition, there was absence of flexor pollicis brevis (FPB) and abductor pollicis brevis (AbPB) muscles and hypoplasia/atrophy of bilateral opponens pollicis (OP) muscles. Bilateral adductor pollicis brevis (AdPB) muscles appeared normal in morphology [Figure 3].


Bilateral congenital absence of flexor pollicis longus with thumb hypoplasia and thenar atrophy.

Chaudhary V, Sehgal H, Bano S, Parmar PR, Kumar S - Indian J Radiol Imaging (2014)

T1W coronal image of both the hands shows absence of bilateral flexor pollicis longus (FPL) tendons. Normally, FPL tendon is seen between the lateral head of flexor pollicis brevis (FPB) and the oblique head of adductor pollicis brevis (AdPB) muscles, and is inserted into the base of the distal phalanx of thumb (see inset images). Bilateral flexor pollicis brevis (FPB) and abductor pollicis brevis (AbPB) muscles were also absent. Hypoplasia/atrophy of bilateral opponens pollicis (OP) muscles was present. Bilateral AdPB muscles appeared normal in morphology
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4126142&req=5

Figure 3: T1W coronal image of both the hands shows absence of bilateral flexor pollicis longus (FPL) tendons. Normally, FPL tendon is seen between the lateral head of flexor pollicis brevis (FPB) and the oblique head of adductor pollicis brevis (AdPB) muscles, and is inserted into the base of the distal phalanx of thumb (see inset images). Bilateral flexor pollicis brevis (FPB) and abductor pollicis brevis (AbPB) muscles were also absent. Hypoplasia/atrophy of bilateral opponens pollicis (OP) muscles was present. Bilateral AdPB muscles appeared normal in morphology
Mentions: Magnetic resonance imaging (MRI) of hands showed absence of bilateral FPL muscles. In addition, there was absence of flexor pollicis brevis (FPB) and abductor pollicis brevis (AbPB) muscles and hypoplasia/atrophy of bilateral opponens pollicis (OP) muscles. Bilateral adductor pollicis brevis (AdPB) muscles appeared normal in morphology [Figure 3].

Bottom Line: Congenital absence of flexor pollicis longus with or without associated anomalies of thenar muscles and thumb is of rare occurrence.Inability to flex the interphalangeal joint of the thumb and absent dorsal wrinkles and flexion creases of the thumb are important clues to the diagnosis.This article presents an extremely rare case of bilateral congenital absence of flexor pollicis longus tendon with thumb hypoplasia and thenar atrophy.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiodiagnosis, Employees' State Insurance Corporation Model Hospital, Sector-9A, Gurgaon, Haryana, India.

ABSTRACT
Congenital absence of flexor pollicis longus with or without associated anomalies of thenar muscles and thumb is of rare occurrence. Inability to flex the interphalangeal joint of the thumb and absent dorsal wrinkles and flexion creases of the thumb are important clues to the diagnosis. Routine radiography and cross-sectional imaging help to confirm and document the condition. This article presents an extremely rare case of bilateral congenital absence of flexor pollicis longus tendon with thumb hypoplasia and thenar atrophy.

No MeSH data available.


Related in: MedlinePlus