raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:71273

Renal nutcracker syndrome

Synonyms: Left renal vein entrapment syndrome · RNS

Type
Disease
Group
Disorder
Inheritance
Unknown
Age of onset
Adult
Status
active

A rare, syndromic renal disease characterized by the entrapment of left renal vein (LRV) between the superior mesenteric artery (SMA) and the abdominal aorta, resulting in increased luminal pressure, renal hilar varices, hematuria and, at the microscopic level, rupture of thin-walled veins into the collecting system in renal fornices.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRenal nutcracker syndromeLeft renal vein entrapment syndrome · RNS
frSyndrome de la pince mésentériquePince aorto-mésentérique
deRenales NussknackersyndromKompressionssyndrom der linken Nierenvene · RNS
esSíndrome renal del cascanueces
itSindrome renale dello schiaccianoci
nlRenaal notenkrakersyndroomIngeklemde linkernieradersyndroom · RNS
ptSíndrome quebra-nozes renalEncarceramento da veia renal esquerda, síndrome · RNS · Síndrome encarceramento da veia renal esquerda
plZespół dziadka do orzechówRNS · Zespół uwięźnięcia lewej żyły nerkowej
csRenální louskáčkový syndromSyndrom útlaku levé renální žíly · RNS
ukНирковий синдром ЛускунчикаСиндром защемлення лівої ниркової вени · RNS
zh肾胡桃夹综合征左肾静脉受压综合征
trBöbrek fındıkkıran sendromuRNS · Sol renal entrapman sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q27.8NTBTattributedvalidated
ICD-11LA90.YNTBTattributedvalidated
MONDO0019105Evalidated
MeSHD059228Evalidated
UMLSC3178770Evalidated
GARD11971Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

25 annotations · validated 2024-06-12
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000716Depression
HP:0011934Dilatation of mesenteric artery
HP:0030157Flank pain
HP:0000790Hematuria
HP:0003419Low back pain
HP:0000093Proteinuria
HP:0001920Renal artery stenosis
HP:0012871Varicocele
HP:0002619Varicose veins
Occasional (29-5%)
HP:0001903Anemia
HP:0100518Dysuria
HP:0012378Fatigue
HP:0002907Microscopic hematuria
HP:0034267Pelvic pain
HP:0100677Vulval varicose vein
Very rare (<4-1%)
HP:0002027Abdominal pain
HP:0012332Abnormal autonomic nervous system physiology
HP:0100607Dysmenorrhea
HP:0030016Dyspareunia
HP:0000789Infertility
HP:0002018Nausea
HP:0001278Orthostatic hypotension
HP:0001279Syncope
HP:0001649Tachycardia
HP:0001824Weight loss

Annotation source: 34815965[PMID]_38038139[PMID]_28356209[PMID]_32644615[PMID]

7

Sources for this card