Cited by 4Acute Kidney Injury ResearchRenal Diseases and GlomerulopathiesNephrotoxicity and Medicinal Plants

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Florid Interstitial Hemorrhages: A Novel Feature of Amoxicillin-Clavulanate-Induced Acute Tubulointerstitial Nephritis

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Asim, Muhammad, Ahmad, Farooq, Akhtar, Mohammed·2021·American Journal of Case Reports

Abstract

BACKGROUND Acute tubulointerstitial nephritis is most often induced by drug therapy and is characterized by the presence of edema, inflammatory infiltrates, and sometimes granulomas within the interstitium. We report this case to describe florid interstitial hemorrhages as a novel feature of Amoxicillin-Clavulanate-induced acute tubulointerstitial nephritis. CASE REPORT A young man presented with intermittent visible hematuria and acute kidney injury after a course of Amoxicillin-Clavulanate for upper respiratory tract illness. Renal biopsy demonstrated acute tubulointerstitial nephritis with multifocal intense interstitial hemorrhages, intratubular red blood cells, and red blood cell casts. At the same time, he was diagnosed with acute lymphoblastic leukemia. Leukemic cellular infiltration and other potential causes of tubulointerstitial nephritis were ruled out. CONCLUSIONS Drug-induced tubulointerstitial nephritis can be associated with florid interstitial hemorrhages. This can lead to an atypical clinicopathological presentation of tubulointerstitial nephritis, masquerading as glomerulonephritis, vasculitis, or infectious interstitial nephritis.

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Crossref · 10.12659/ajcr.928989

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Figure 1. Photomicrograph depicting renal biopsy with marked interstitial edema and renal tubules full of red blood cells (stars). Inflammatory cells including lymphocytes and eosinophils (arrows) are seen within the interstitium. Hematoxylin and Eosin stain; original magnification ×400.
Figure 1. Photomicrograph depicting renal biopsy with marked interstitial edema and renal tubules full of red blood cells (stars). Inflammatory cells including lymphocytes and eosinophils (arrows) are seen within the interstitium. Hematoxylin and Eosin stain; original magnification ×400.CC BY-NC-ND · PubMed Central
Figure 2. Renal tissue with marked interstitial (arrowheads) and intratubular hemorrhages (star). Hematoxylin and Eosin stain; original magnification ×400.
Figure 2. Renal tissue with marked interstitial (arrowheads) and intratubular hemorrhages (star). Hematoxylin and Eosin stain; original magnification ×400.CC BY-NC-ND · PubMed Central
Figure 3. Evolution of serum creatinine during treatment and follow-up (please see text for details).
Figure 3. Evolution of serum creatinine during treatment and follow-up (please see text for details).CC BY-NC-ND · PubMed Central

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Metadata

Authors
Asim, M., Ahmad, F., & Akhtar, M.
Affiliations
Hamad General Hospital (QA)
Corresponding author
Asim, Muhammad
Venue
American Journal of Case Reports
Published
2021-02-04
Volume
22
Pages
e928989-e928989
ISSN
1941-5923 (ISSN-L)
OpenAlex
W3127722598
Cited by
4
References
1
Citations by year
2025: 1 · 2024: 1 · 2022: 1 · 2021: 1
FWCI
0.51
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • American Journal of Case Reports (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Nephrology › Acute Kidney Injury Research
  • Health Sciences › Medicine › Nephrology › Renal Diseases and Glomerulopathies
  • Health Sciences › Medicine › Nephrology › Nephrotoxicity and Medicinal Plants
Keywords
acute interstitial nephritis, drug-induced nephrotoxicity, amoxicillin-clavulanic acid, interstitial hemorrhage, acute kidney injury, hematuria, red blood cell casts, acute lymphoblastic leukemia, renal biopsy findings
MeSH terms
Amoxicillin, Glomerulonephritis, Humans, Male, Nephritis, Interstitial, Clavulanic Acid

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