Fig. a The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 119.2 cm (1.2 percentile; z score: -2.237); to

Fig. c The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 122 cm (z score: -1.95); to

  Fig. d The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 124 cm (z score: -1.978); to

  Fig. e The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 126 cm (z score: -1.206); to

Fig. f The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 128 cm (z score: -1.326); to

Fig. h The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 134 cm (z score: -1.188); to

  Fig. i The evolution of the patient’s facial appearance after institution of levothyroxine treatment for hair growth, secondary tooth eruption, softening of coarse facial features, and reduced muscular build. His height increased from: 138 cm (z score: -1.055).