Nephroptosis

Nephroptosis
Classification and external resources
ICD-10	N28.8
ICD-9	593.0

Nephroptosis (also called floating kidney or renal ptosis) is an abnormal condition in which the kidney drops down into the pelvis when the patient stands up. It is more common in women than in men. It has been one of the most controversial conditions among doctors in both its diagnosis and its treatments.^[1]

Contents 1 Cause 2 Symptoms 3 Diagnosis 4 Treatment 5 References 6 External links

Cause

It is believed to result from deficiency of supporting perirenal fasciae.

Symptoms

Nephroptosis is asymptomatic in most patients. However, nephroptosis can be characterized by violent attacks of colicky flank pain, nausea, chills, hypertension, hematuria and proteinuria. Patients with symptomatic nephroptosis often complain of sharp pains that radiate into the groin. Many patients also suggest a weighing feeling on the abdomen. Pain is typically relieved by lying down.

Diagnosis

Diagnosis is contemplated based upon patient symptoms. Diagnosis is confirmed during intravenous urography, by obtaining erect and supine films.

Treatment

Nephropexy was performed in the past to stabilize the kidney, but presently surgery is not recommended in asymptomatic patients. Laparoscopic nephropexy has recently become available for selected symptomatic patients.

References

External links

• Barber N, Thompson P (2004). "Nephroptosis and nephropexy--hung up on the past?". Eur Urol 46 (4): 428–33. doi:10.1016/j.eururo.2004.03.023. PMID 15363554. 

• Nephroptosis — heightened kidney's mobility

• Medcyclopaedia - Nephroptosis

v • d • e Urinary system · Pathology · Urologic disease / Uropathy (N00-N39, 580-599) Abdominal Nephropathy/ (nephritis+ nephrosis) Glomerulopathy/ glomerulitis/ (glomerulonephritis+ glomerulonephrosis) Primarily nephrotic Non-proliferative .0 Minimal change · .1 Focal segmental · .2 Membranous Proliferative .3 Mesangial proliferative · .4 Endocapillary proliferative .5/.6 Membranoproliferative/mesangiocapillary By condition Diabetic · Amyloidosis Primarily nephritic, .7 RPG Type I RPG/Type II hypersensitivity Goodpasture's syndrome Type II RPG/Type III hypersensitivity Post-streptococcal · Lupus (DPN) · IgA/Berger's Type III RPG/Pauci-immune Wegener's granulomatosis · Microscopic polyangiitis Tubulopathy/ tubulitis Proximal RTA (RTA 2) Thick ascending Bartter syndrome Distal convoluted Gitelman syndrome Collecting duct Liddle's syndrome · RTA (RTA 1) · Diabetes insipidus (Nephrogenic) Renal papilla Renal papillary necrosis Major calyx/pelvis Hydronephrosis · Pyonephrosis · Reflux nephropathy Any/all Acute tubular necrosis Interstitium Interstitial nephritis (Pyelonephritis, Danubian endemic familial nephropathy) Any/all General syndromes Renal failure (Acute renal failure, Chronic renal failure) · Uremic pericarditis · Uremia Vascular Renal artery stenosis · Hypertensive nephropathy · Renovascular hypertension Other Analgesic nephropathy · Renal osteodystrophy · Nephroptosis · Abderhalden-Kaufmann-Lignac syndrome Ureter Ureteritis · Ureterocele · Megaureter Pelvic Bladder Cystitis (Interstitial cystitis/painful bladder syndrome, Hunner's ulcer, Trigonitis, Hemorrhagic cystitis) · Neurogenic bladder · Vesicointestinal fistula · Vesicoureteral reflux Urethra Urethritis (Non-gonococcal urethritis) · Urethral syndrome · Urethral stricture Any/all Obstructive uropathy · Urinary tract infection · Retroperitoneal fibrosis · Urolithiasis (Kidney stone, Renal colic) · Malacoplakia See also congenital, neoplasia, symptoms/signs

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