case_images: PMC4782528_01
case_images: Family tree of first family showing affected siblings without involvement of other family members
case_images: AIAN-19-119-g001.jpg
case_images: PMC4782528_01_AIAN-19-119-g001.jpg
case_images: F1
case_images: Two out of four of his siblings (one elder and one younger sister) [Figure 1] had similar problem and were wheelchair bound.
case_images: PMC4782528_02
case_images: Low and high magnification of transversely cut skeletal muscle tissue showing vacuoles in left triceps muscle (second family)
case_images: AIAN-19-119-g003.jpg
case_images: PMC4782528_02_AIAN-19-119-g003.jpg
case_images: F2
case_images: A possibility of HIBM was considered and she underwent triceps muscle biopsy which revealed features consistent with HIBM [Figure 2].