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Table 2 Muscle MRI features of the patients

From: Clinical features and genotypes of Laing distal myopathy in a group of Chinese patients, with in-frame deletions of MYH7 as common mutations

No Age at MRI Muscles with severe fatty infiltration Muscles relatively preserved
A II-6 50 Thigh: gluteus maximus, vastus medialis, vastus lateralis, vastus intermedius, adductor magnus, sartorius, gracilis (left), posterior thigh muscles (left), semitendinosus (right)
Calf: soleus (left), extensor digitorum longus, extensor hallucis longus, tibialis anterior
Thigh: rectus femoris, adductor longus
Calf: soleus (right), peroneus longus, peroneus brevis, tibialis posterior
B II-2 45 Thigh: vastus intermedius, adductor magnus, semimembranosus
Calf: tibialis anterior, extensor hallucis longus
Thigh: rectus femoris, adductor longus
Calf: soleus, gastrocnemius, peroneus longus, peroneus brevis, tibialis posterior
B III-1 20 Thigh: vastus intermedius, adductor magnus (right)
Calf: tibialis anterior, extensor hallucis longus
Thigh: rectus femoris, sartorius, gracilis, biceps femoris, semitendinosus, semimembranosus
Calf: soleus, gastrocnemius, peroneus longus, peroneus brevis, tibialis posterior
C III-1 20 Thigh: diffuse mild fatty infiltration
Calf: soleus, extensor digitorum longus, extensor hallucis longus, tibialis anterior, extensor hallucis longus
Calf: gastrocnemius, peroneus longus, peroneus brevis, tibialis posterior
D II-2 34 Thigh: vastus intermedius, adductor longus, semitendinosus, sartorius, gracilis
Calf: tibialis anterior, extensor hallucis longus
Thigh: semimembranosus, biceps femoris, rectus femoris
Calf: gastrocnemius, peroneus longus, peroneus brevis, tibialis posterior
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