<prompt> A 36 month old girl shows frontal bossing and wrist enlargement. Diagnosis is -RicketsScurvyBeri BeriOsteomalacia  <response>: Ans. is a i.e., RicketsClinical features of ricketso Clinical manifestations of rickets are usually manifested by 6 months of age. Rickets is unusual below the age of 3 months.Clinical features of rickets are :o Skull: Craniotabes earliest manifestation, frontal and parietal bossing; widened sutures; delayed closure of anterior fontanel; Caput quadratum or hot cross-bun skull; soft skull with ping-pong ball like feelo Chest: Rachitic rosary prominent costochondral junction; pectus craniatum pigeon breast; Harrisons groove horizontal depression along lower border of chest corresponding to insertion of diaphragmo TeathDelayederuption;enamelhypoplasia;dentalcaries.o Limbs and joints : Bone pain tenderness most common manifestation; coxa vara; genu valgus or genu varus; bowing of legs tibia, femur, radus ulna; widening of wrist, elbow, knee ankle; windswept deformity; string-of-pearls deformity Saucage-like enlargement of ends of phalanges and metacarpals with constrictions at joints; double malleoli sign two medial malleoli are palpable instead of one. 