Image Based Questions On Musculoskeletal 

Duchenne Muscular Dystrophy/Becker muscular dystrophy 

Pseudohypertrophy of calf muscles - Inverted bottle appearance.

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Valley Sign 

Depression between hypertrophied deltoid and infraspinatous muscles · Seen in DMO.

Gower Sign 

Seen in DMD, BMD · Sign of proximal muscle weakness.

Myasthenia Gravis 

Peep sign · Fatigable muscle weakness.

Scurvy 

Pencil outline · Wimberger sign – Ring shaped epiphysis · Dumbbell appearance of subperiosteal Hemorrhage · White line of Fraenkel · Pellken spurs · Trummerfeld zone- black area proximal to white line of frankel.

Osteopetrosis / Marble Bone Disease 

Bone density  · Bone within bone appearance · Other features-Hepatomegaly, Pancytopenia.

Phocomelia 

Limbs resemble flippers of a seal · Maternal intake of Thalidomide during pregnancy is a risk factor.

Hope you found this blog helpful for your Rheumatology and Vasculitis preparation">NEET SS Pediatrics Rheumatology and Vasculitis preparation. For more informative and interesting posts like these, keep reading PrepLadder’s blogs.