Fig. 4.

Spectrum of morphological Development in HCM. A 18-year-old female with non-obstructive HCM presenting with LV mass gain from 146 gr to 306 gr after an interval of 3.8 years without LGE. B 53-year-old male with non-obstructive HCM showed a loss of LV mass from 220 gr to 199 gr within 5.8 years whereas LGE mass increased in that time interval from 5.7 gr to 16.7 gr. C Illustration of the suggested spectrum of development in HCM. Predominantly young patients presented with extensive LV mass gain with low or non-evident LGE progression, whereas mainly older patients showed sustained LV mass with increasing LGE mass.