Left infrarenal region: anatomic variants, pathologic conditions, and diagnostic pitfalls.

Armistead, J P; Weber, M.; Williamson, Byrn

doi:10.1148/radiographics.11.4.1887111

Cited by 53 publications

(22 citation statements)

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“…Recurrence of thromboembolism after filter placements or after withdrawal of treatment should raise suspicion of vena caval anomalies. 17 Radiologically presence of thrombosed double IVC can be mistaken as a pathological lesion such as paraaortic lymphadenopathy 14 or left pyelo-ureteric dilatation 18 . There are case reports describing patients who underwent exploration for presumed metastatic testicular carcinoma based on CT appearance of the anomaly 19 as thrombosed double inferior vena cava can mimics paraaortic lymphadenopathy on CT scans raising suspicion of local or distant malignancy.…”

Section: Discussionmentioning

confidence: 99%

Dermatoglyphic Study: A Comparison in Hands of Type Ii Diabetes Mellitus Patients and Normal Persons of Udaipur Region

Ojha¹,

Gupta²

2014

jemds

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ABSTRACT:A rare variant of duplication of inferior vena cava was observed during routine dissection of posterior abdominal wall of a middle aged cadaver. During dissection of the thorax, a large diameter vena azygos was noticed. After completion of thorax dissection, the thoracic cage was removed by cutting at 7 th thoracic vertebra .During dissection of the abdomen two Inferior Vena Cava, Right and Left were observed .Right and left inferior vena cava were seen arising from an inter-iliac venous channel present transversely in front of the body of 4 th lumbar vertebra. Right inferior vena cava followed its normal course through the liver to the right atrium, while left inferior vena cava after its formation received left renal vein, behaved like hemiazygos vein as it passed behind aorta, then through the aortic opening of diaphragm ascended as vena azygos and terminated in the superior vena cava.Embryogenesis of such an anomaly suggests persistence on the left of one of the longitudinal channels (supra cardinal or subcardinal veins) which normally disappear in early fetal life. Inter post cardinal anastomosis remains persistent in this case as interiliac venous channel. Caval malformations are considered as a new etiologic factor for thrombosis because of venous stasis. Double Inferior Vena Cava is mostly diagnosed accidently while doing radiographic imaging for other reasons. These type of anomalies if thrombosed can be mistaken as pathological lesions such as Lymphadenopathy, Left pyelo-ureteric dilatation or Metastatic testicular carcinoma. Thus knowledge of such anomalies are of immense importance to surgeons and radiologists to avoid complications during surgeries and diagnostic pitfalls during imaging.

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Section: Discussionmentioning

confidence: 99%

Dermatoglyphic Study: A Comparison in Hands of Type Ii Diabetes Mellitus Patients and Normal Persons of Udaipur Region

Ojha¹,

Gupta²

2014

jemds

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“…1 Complete duplication refers to distinct ureters draining the separate moieties into the bladder. In this case, the duplication was incomplete as the ureters united in the proximal third of their course (bifid ureter).…”

Section: Discussionmentioning

confidence: 99%

Bilateral obstruction of bilaterally duplicated collecting systems requiring upper and lower moiety drainage

Lynch

Cox

Rawal

et al. 2016

annals

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A 60-year-old woman with a history of breast cancer presented with bilateral obstruction of bilaterally duplicated renal collecting systems secondary to extrinsic compression from metastatic pelvic lymphadenopathy. Bilateral JJ ureteric stents were inserted, resulting in some improvement of renal function but a failure to normalise completely. Repeat computed tomography demonstrated bilateral duplex collecting systems with persisting obstruction of the undrained moieties. Selective puncture was performed to decompress the obstructed renal moieties for bilateral nephrostomy catheter insertion. This allowed renal function to improve sufficiently for the patient to be discharged and commence chemotherapy. This is the first reported case of bilaterally obstructed partially duplicated collecting systems and it illustrates the importance of recognising anatomical variants to tailor treatment appropriately. It also highlights the important relationship between urology and interventional radiology in the management of such complex patients. KEYWORDSInterventional radiography -Kidney tubules -Collecting systems -Abnormalities -Urology Case historyA 60-year-old woman presented with abdominal pain and acute kidney injury. On admission, urea was recorded as 15mmol/l (normal: 2.5-7.8mmol/l) and creatinine as 243µmol/l (normal: 49-90µmol/l). Five years previously, the patient had been diagnosed with invasive ductal carcinoma of the left breast (grade 3, T3 N1 M0), and had undergone a mastectomy and axillary clearance (4/14 nodes positive) followed by adjuvant chemoradiotherapy. She was otherwise independent without significant co-morbidity.Ultrasonography identified bilateral hydronephrosis and computed tomography (CT) confirmed distal ureteric obstruction secondary to extrinsic compression by metastatic pelvic lymphadenopathy (Figs 1 and 2). CT also revealed lumbar spine metastatic disease, bilateral pleural effusions, ascites and peritoneal disease (Fig 2). Positron emission tomography CT demonstrated high uptake in the pelvic lymph nodes, consistent with local metastasis, thought to be the cause of her ureteric obstruction (Fig 3). Subsequently, bilateral JJ ureteric stents were inserted under general anaesthesia (Fig 4). During cystoscopy and retrograde ureterography, no anatomical abnormalities were identified, and the guidewires and stents passed without difficulty into the renal A B ONLINE CASE REPORT Ann R Coll Surg Engl 2016; 98: e55-e58

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“…The best imaging methods for the diagnosis of IVC anomalies are CT angiography and MRI and the diagnosis is considered to be difficult when ultrasonography is used alone 3,4,6,13,14 .…”

Section: Discussionmentioning

confidence: 99%

Agenesia de veia cava inferior associada à trombose venosa profunda

et al. 2010

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A agenesia da veia cava inferior é uma anomalia congênita rara, que foi recentemente identificada como um importante fator de risco para o desenvolvimento e a recorrência de trombose venosa profunda de membros inferiores em jovens. O objetivo deste trabalho foi relatar o caso de uma paciente que apresentou trombose venosa profunda dois meses após a realização de cirurgia de varizes. A angiotomografia computadorizada demonstrou a presença de anomalia venosa complexa com ausência da veia cava inferior.

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Left infrarenal region: anatomic variants, pathologic conditions, and diagnostic pitfalls.

Cited by 53 publications

References 0 publications

Dermatoglyphic Study: A Comparison in Hands of Type Ii Diabetes Mellitus Patients and Normal Persons of Udaipur Region

Dermatoglyphic Study: A Comparison in Hands of Type Ii Diabetes Mellitus Patients and Normal Persons of Udaipur Region

Bilateral obstruction of bilaterally duplicated collecting systems requiring upper and lower moiety drainage

Agenesia de veia cava inferior associada à trombose venosa profunda

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