![Patterns of calcification in renal tuberculosis. CT is the most sensitive modality for detecting renal calcification.  a Punctate dystrophic calcifications (arrow) within caseating granulomas. b Dependent calculi (arrow) within obstructed, dilated calyces. c Dystrophic calcifications (arrow) along the walls a cavitary lesion. d Fine, speckled calcification (block arrows) at the tip of calyces in a triangular configuration. e Large obstructive upward pointing calculus (arrow) in the renal pelvis, secondary to pelviureteric junction stenosis. f Lobar-pattern (arrow, putty kidney) calcifications in end-stage disease

Das, C.J., Razik, A., Tchoquessi, R.L.N. et al. Multimodality imaging of urinary tract tuberculosis. Abdom Radiol 50, 770–783 (2025). https://doi.org/10.1007/s00261-024-04526-y](attachment:bd8d2f59-dc27-48df-98d1-7c4c0ac35bf4:image.png)

Patterns of calcification in renal tuberculosis. CT is the most sensitive modality for detecting renal calcification.  a Punctate dystrophic calcifications (arrow) within caseating granulomas. b Dependent calculi (arrow) within obstructed, dilated calyces. c Dystrophic calcifications (arrow) along the walls a cavitary lesion. d Fine, speckled calcification (block arrows) at the tip of calyces in a triangular configuration. e Large obstructive upward pointing calculus (arrow) in the renal pelvis, secondary to pelviureteric junction stenosis. f Lobar-pattern (arrow, putty kidney) calcifications in end-stage disease

Das, C.J., Razik, A., Tchoquessi, R.L.N. et al. Multimodality imaging of urinary tract tuberculosis. Abdom Radiol 50, 770–783 (2025). https://doi.org/10.1007/s00261-024-04526-y