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. 2021 Sep 3:8:23742895211040209.
doi: 10.1177/23742895211040209. eCollection 2021 Jan-Dec.

Educational Case: Urinary Stones

Affiliations

Educational Case: Urinary Stones

Ryan L Frazier et al. Acad Pathol. .

Abstract

The following fictional case is intended as a learning tool within the Pathology Competencies for Medical Education (PCME), a set of national standards for teaching pathology. These are divided into three basic competencies: Disease Mechanisms and Processes, Organ System Pathology, and Diagnostic Medicine and Therapeutic Pathology. For additional information, and a full list of learning objectives for all three competencies, seehttp://journals.sagepub.com/doi/10.1177/2374289517715040. 1.

Keywords: bladder; nephrolithiasis; organ system pathology; pathology competencies; urinary obstruction; urine crystals; urolithiasis.

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Conflict of interest statement

Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
A, Axial computed tomography (CT) reveals an opaque stone in the patient’s right ureter (red arrow). B, The pelvis of the right kidney is dilated (blue arrow), indicating obstructive hydronephrosis.
Figure 2.
Figure 2.
The coronal computed tomography (CT) views also show an opaque stone in the patient’s right ureter (A, red arrow) and the dilated renal pelvis (B, blue arrow).
Figure 3.
Figure 3.
If crystals are visualized on microscopic examination of the urine, the findings may help determine which type of stone is present.

References

    1. Knollmann-Ritschel BEC, Regula DP, Borowitz MJ, Conran R, Prystowsky MB. Pathology competencies for medical education and educational cases. Acad Pathol. 2017;4. doi:10.1177/2374289517715040 - PMC - PubMed
    1. Stoller ML. Urinary stone disease. In: McAninch JW, Lue TF, eds. Smith & Tanagho’s General Urology. 19th ed. Lange Medical Books/McGraw-Hill; 2020:chap 17. Accessed March 4, 2021. https://accesssurgery-mhmedical-com.usu01.idm.oclc.org/content.aspx?.sec...
    1. Bansal AD, Hui J, Goldfarb DS. Asymptomatic nephrolithiasis detected by ultrasound. Clin J Am Soc Nephrol. 2009;4:680–684. doi:10.2215/cjn.05181008 - PMC - PubMed
    1. Chang A, Laszik ZG. The kidney. In: Kumar V, Abbas AK, Aster JC, eds. Robbins and Cotran Pathologic Basis of Disease. 10th ed. Elsevier; 2021:895–952.
    1. Leavitt DA, de la Rosette JJMCH, Hoenig DM. Strategies for nonmedical management of upper urinary tract calculi. In: Partin AW, Peters CA, Kavoussi LR, Dmochowski RR, Wein AJ, eds. Campbell-Walsh-Wein Urology. 12th ed. Elsevier; 2020:2069–2093.