A 10-year-old with history of sore throat 1 week ago presented with sudden onset of hematuria and generalized edema. On examination, hypeension was observed. Lab findings revealed proteinuria, red cell casts in the urine, deranged RFTs, low level of serum complement C3. Which of the following would be the most likely histology if kidney biopsy is performed: -

This is a case of PSGN. Acute glomerulonephritis following streptococcal infection is characterized by the sudden appearance of hematuria, proteinuria, red blood cell casts in the urine, edema, and hypeension with or without oliguria. Poststreptococcal glomerulonephritis follows infection with only ceain strains of streptococci, designated as nephritogenic. The offending organisms are viually always group A streptococci. Image A shows histology of PSGN Image B shows histology of MPGN Image C shows histology of MGN Image D shows histology of IgA NEPHROPATHY