ESSR 2018 / P-0128
Normal and abnormal MR imaging findings in the intrinsic muscles of the hand
Congress: ESSR 2018
Poster No.: P-0128
Type: Educational Poster
Keywords: Tissue characterisation, Pathology, Diagnostic procedure, MR-Functional imaging, MR, Musculoskeletal system, Musculoskeletal soft tissue, Extremities
Authors: B. Kislinger1, A. Chhabra2, R. A. K. Dessouky3, G. Andreisek4; 1Frauenfeld/CH, 2Dallas , Tx/US, 3EG, 4Münsterlingen/CH


Like other skeletal muscles, the intrinsic muscles of the hand can be affected by various conditions resulting in change of morphology or MR imaging appearance. Detailed knowledge about normal MR imaging appearance, normal anatomy,  as well as common normal variants and pathologies is always crucial for correct diagnoses.


This educational poster will review the anatomy and function of the intrinsic muscles of the hand and will use clinical cases to illustrate some typical findings in common pathologies as followed: 


Normal Imaging Findings  
Function and Anatomy Hypothenar Muscles

Abductor Digiti Minimi

Flexor Digiti Minimi

Opponens Digiti Minimi

Thenar Muscles

Flexor Pollices Brevis

Abductor Pollices Brevis

Adductor Pollices

Opponens Pollicis

Interosseous Muscles

Dorsal Interosseous

Palmar Interosseous

Lumbrical Muscles 
Spectrum of Abnormal 
Imaging Findings
Anatomical Variations 
Trauma- and Exercise-induced Changes 
Denervation Syndromes 
(Pseudo-) Tumors 


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