Micrograph hyperkeratosis In terms of the diagnosis of<unk>  upon inspection follicular hyperkeratosis, may be a dermatological indicator, additionally also serum creatine kinase may be mildly above normal. Other exams/methods to ascertain if the individual has<unk>  are: * MRI * Biopsy muscle * Genetic testing Differential diagnosis This includes
Ullrich congenital muscular dystrophy
Fukuyama congenital muscular dystrophy
Jokela type spinal muscular atrophy
LMNA-related congenital muscular dystrophy
Becker muscular dystrophy
X-linked spinal muscular atrophy type 2
Thiel–Behnke dystrophy
Emery–Dreifuss muscular dystrophy