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 Indian J Med Microbiol  
 

Figure 2 (A-C): Callosal agenesis with semilobar holoprosencephaly. A 4-month-old infant presented with delayed milestones and poor muscle tone. T1-weighted sagittal image (A) shows agenesis of the corpus callosum (arrowheads in A) and a dorsal interhemispheric commissure or "pseudo-splenium" (single arrow in A). Axial T2-FLAIR image (B) shows the absence of septum pellucidum (asterisk). Axial T1-weighted inversion recovery image (C) shows fusion of brain tissue across the midline (arrowheads in C), partially separated thalami (double arrows in C), and a rudimentary third ventricle (single arrow in C)

Figure 2 (A-C): Callosal agenesis with semilobar holoprosencephaly. A 4-month-old infant presented with delayed milestones and poor muscle tone. T1-weighted sagittal image (A) shows agenesis of the corpus callosum (arrowheads in A) and a dorsal interhemispheric commissure or