case_images: PMC3671228_01
case_images: Positive prayer sign.
case_images: CRIM.ENDOCRINOLOGY2013-257028.001.jpg
case_images: PMC3671228_01_CRIM.ENDOCRINOLOGY2013-257028.001.jpg
case_images: fig1
case_images: The prayer sign is said to occur whenever there is incomplete approximation of one or more of the digits when the patient attempts to approximate the palmar surfaces of the proximal and distal interphalangeal joints with palms pressed together and the fingers abducted (Figure 1).