Medical Condition • Diagnosed with Ultrasound
Hydronephrosis is dilation of the renal pelvis and calyces due to obstruction of urine outflow. Ultrasound is the primary imaging modality, graded by the Society for Fetal Urology (SFU) scale (grades 1–4) based on pelvic and calyceal dilation and parenchymal thickness. Common causes include ureteropelvic junction obstruction, ureterolithiasis, and posterior urethral valves in neonates.
ICD-10 Code: N13.30 | MeSH ID: D006869 | Primary Anatomy: Kidney
Key Reference: PubMed: PMID: 8255658
Conditions frequently encountered alongside this one in clinical practice:
ICD-10 See condition post for code
Schema MedicalCondition (schema.org)
Modality Diagnostic Ultrasound
Specialties that diagnose and assess this condition:
Credentials for sonographers who work with this condition:
RDMS — Registered Diagnostic Medical Sonographer
RDCS — Registered Diagnostic Cardiac Sonographer
RVT — Registered Vascular Technologist
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