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Retroperitoneal haemorrhage (RH) is not uncommon in patients with provoking events like trauma. However, spontaneous RH (SRH) is a rare and life-threatening complication described as the development of bleeding into the retroperitoneal cavity, appearing spontaneously and without a preceding history of trauma or other predisposing illness. We are reporting a case of an elderly patient with recurrent deep vein thrombosis who had developed SRH secondary to concurrent use of multiple anticoagulation agents, resulting from poor healthcare follow-up and lack of sufficient medication reconciliation. This article highlights the significance of recognising risk factors for SRH, as well as management strategies through literature review.

A neutered female cat presented with a 9-day history of hyporexia and depression. The referring veterinarian had identified moderate non-regenerative anaemia, haematuria and suspected unilateral obstructive ureterolithiasis. Subsequent ultrasonography revealed moderate distension of the left renal pelvis with echogenic material, ureteral distension and ureterolithiasis. A partial ureteral obstruction was suspected. After 4 days of medical management, there was further distension of the renal pelvis with well-delineated echogenic material and an accumulation of perinephric fluid. A left nephroureterectomy was performed. Renal pelvic rupture with intrapelvic haematoma and retroperitoneal haemorrhage was confirmed by histopathology. Eighteen months following surgery, the cat remained clinically well with normal renal values.

A 42-year-old female with no other significant co-morbidities presented with complaints of sudden onset abdominal pain, she was in state of shock- her haemoglobin dropped drastically to 6.8g/dl from 11.8g/dl. She was resuscitated and was given blood transfusion. CT Scan was suggestive of retroperitoneal haemorrhage due to rupture of Renal angiomyolipoma (RAML). Patient underwent selective embolization of renal artery the next day and was discharged after 3 days of post-operative stay. Wunderlich Syndrome-is a rare condition in which spontaneous nontraumatic renal haemorrhage occurs into the subcapsular and perirenal spaces is most commonly caused due to spontaneous rupture of RAML.It is characterized by Lenk’s triad – Acute flank pain, flank mass, hypovolemic shock. Size of AML (>4 cm), prothrombotic states such as pregnancy are main causes of AML rupture. Patients are managed conservatively or with help of selective arterial embolization. Nephrectomy is last resort in a hemodynamically unstable patient or in cases of embolization failure. When dealing with acute abdomen with haemodynamic instability in non-traumatic cases it is essential to consider possibility of Wunderlich Syndrome. Early diagnosis, availability of Interventional radiology is key to successful management and potentially avoiding a Nephrectomy.

Coeliac artery compression stenosis caused by the median arcuate ligament can lead to aneurysm formation in the pancreatico-duodenal arteries that can eventually result in a spontaneous rupture leading to retroperitoneal haemorrhage. In this case series, we describe the cases of three patients, all presenting with sudden epigastric pain, diagnosed as spontaneous haematoma, complicating a median arcuate ligament syndrome.

Coeliac artery compression stenosis caused by the median arcuate ligament can lead to aneurysm formation in the pancreatico-duodenal arteries that can eventually result in a spontaneous rupture leading to retroperitoneal haemorrhage. In this case series, we describe the cases of three patients, all presenting with sudden epigastric pain, diagnosed as spontaneous haematoma, complicating a median arcuate ligament syndrome.

Severe retroperitoneal haemorrhage after retrograde pyelogram (RPG) is rare and has not been reported in the literature. One of the few indications for performing RPG in end-stage kidneys is evaluation of the upper urinary tract for malignancy. We present a rare case of massive retroperitoneal haemorrhage in a 58-year-old man, with a history of deceased donor kidney transplantation for end-stage kidney disease (ESKD), following bilateral RPG for the evaluation of urothelial cancer. The bleeding was successfully stopped with renal artery angioembolisation. This case demonstrates the importance of exercising extra caution when performing endoscopic procedures in patients with ESKD and keeping the intrarenal pressure as low as possible.

May-Thurner syndrome (MTS) is an unusual cause of deep venous thrombosis; even rarer is the spontaneous rupture of collaterals around the thrombosed common iliac vein due to MTS. We present a case of MTS which presented with left leg swelling and abdominal mass due to retroperitoneal haemorrhage.

Percutaneous renal biopsy is a minimally invasive procedure in the work up of a chronic kidney disease patient. However, it is not free from the complications. Hematuria and abdominal haemorrhage due to intra-renal artery injury are the common complications. We report and discuss the management of a rare case of retroperitoneal haemorrhage resulting from dual arterial injury involving left testicular artery and intra-renal artery.

Atraumatic spontaneous retroperitoneal haemorrhage is a distinct clinical entity with potentially life-threatening complications.

Wunderlich syndrome is a rare entity characterised by spontaneous retroperitoneal haemorrhage with renal origin. We present a case of Wunderlich syndrome secondary to clotting dyscrasia in a 64-year-old woman. The patient experienced a second Wunderlich haemorrhagic event with metachronous pseudoaneurysm formation, which was likely secondary to the large subcapsular haematoma stripping the renal capsule and tearing the cortical arteries. Selective pseudoaneurysm embolisations were successfully performed on both occasions. This clinical entity, its imaging differential diagnoses and management are discussed.

Highlights • Ruptured pancreaticoduodenal artery aneursym is a very rare but potentially catastrophic occurence in an emergency department and its treatment is challenging. • Very few cases of emergency endovascular treatment of ruptured visceral aneursyms are reported in the literature. • This case report has the intention to elucidate in pancreaticodudoenal artery aneursym the importance of collateral vessels that could feed the aneurysm sac even after embolization of the inflow and outflow of the aneurysm., Introduction True pancreaticoduodenal artery aneurysm occurrence is infrequent, but it is a fatal disease and accounts for accounts for

We report a case of a Chinese man who developed retroperitoneal haemorrhage almost 1 year after surgery for pelvic fracture (1). To the best of our knowledge, this type of delayed haemorrhaging is rarely observed in clinical practice. We also review the literature to identify the common causes of retroperitoneal haemorrhage in patients undergoing surgery for pelvic fracture and to examine the aetiology of this case.

Objective To evaluate the role of multidetector computed tomography-angiography (MDCTA) for management of life-threatening spontaneous retroperitoneal haemorrhage (SRH).Methods A retrospective analysis of the medical records of all SRH patients admitted to our hospital from January 1, 2005 to November 31, 2014 was performed. SRH was defined as unrelated to invasive procedures, surgery, trauma, abdominal tumor or aortic aneurysm. Life-threatening SRH was defined as hemodynamic instability with hypotension. Sixteen cases met the inclusive criteria. Patients' characteristics, clinical presentation, imaging of MDCTA, treatment modalities, morbidity, and follow-up data were analyzed.Results The group of 16 patients included 11 men and 5 women, with a mean age of 51.5±16.4 years. All patients underwent MDCTA scan examinations, and active contrast media (CM) extravasation were found in 9 patients. Angiography was performed for 8 patients in the CM extravasation group. Bleeding vessels were found in 7 patients who underwent successful embolization. One patient in the CM extravasation group did not undergo angiography and died of bleeding. Seven patients without active CM extravasation underwent conservative management. Bleeding was controlled for all these 7 patients, and 1 patient died of multiple organ failure. Fourteen patients survived from SRH were successfully discharged. One patient died of heart failure during follow-up.Conclusion MDCTA was useful in the diagnosis of SRH and proved to be predictive for the outcome of conservative treatment and early intervention.

Rivaroxaban is one of the new anti-coagulants that inhibit Factor Xa and rarely cause rectus sheath hematoma and retroperitoneal haemorrhage which are uncommon, life-threatening complications. Here is a case of an elderly patient on rivaroxaban therapy for the stroke prevention in non-valvular atrial fibrillation who developed rectus sheath hematoma and retroperitoneal bleeding.Keywords: Rectus sheath hematoma, retroperitoneal bleeding, rivaroxaban.

Spontaneous retroperitoneal haemorrhage also called Wunderlich Syndrome (WS) may be caused by various aetiologies. One of the most common causes is renal tumour. Renal sarcoma is a rare cause of WS, and renal sarcoma in itself is a rare entity. In the era of nephron-sparing surgery, optimum management of primary renal sarcoma remains a dilemma as there are limited number of cases available in the literature. Nevertheless, radical nephrectomy remains the recommended treatment, keeping in mind the aggressiveness of the tumour. We report a case of primary undifferentiated renal sarcoma, which presented as WS, and which was managed by partial nephrectomy.

"An otherwise healthy 37-year-old man was admitted to hospital with uncontrollable vomiting and abdominal pain. Lithiasic acute pancreatitis was diagnosed on the basis of clinical symptoms along with raised serum amylase levels and compatible findings in ultrasonography and CT scan. Two Ranson criteria (lactate dehydrogenase over 350 U/L and aspartate aminotransferase over 250 U/L) were present at admission. The patient was transferred to an intensive care unit (ICU); intravenous crystalloids were prescribed and analgaesics were administered for pain relief. Unexpectedly, 10 h after ICU admission, he presented a cardiac arrest with a non-defibrillate rhythm and died after 40 min of advanced life support. An autopsy was performed and revealed acute necrohaemorrhagic pancreatitis with massive intraperitoneal and retroperitoneal haemorrhage. This case report summarises the epidemiology, pathophysiology and risk factors for fatal bleeding acute pancreatitis." info:eu-repo/semantics/publishedVersion

This Classic Article is a reprint of the original work by F.W. Holdsworth, Dislocation and fracture-dislocation of the pelvis. An accompanying biographical sketch of F.W. Holdsworth is available at DOI 10.1007/s11999-012-2422-4. Reproduced and adapted with permission and copyright © of the British Editorial Society of Bone and Joint Surgery. Holdsworth FW. Dislocation and fracture-dislocation of the pelvis. J Bone Joint Surg Br. 1948;30:461–466.

We report our experience treating four patients with acutely bleeding angiomyolipoma (AML) of sizes between 4 and 12 cm who were managed with endovascular embolisation with a mean follow-up of 10 months. In our case series, we demonstrate that endovascular embolisation in the acute setting for bleeding AMLs is a viable treatment option. AML should be in the differential diagnosis of acutely bleeding renal masses, even when there is no fat assessed by computed tomography (CT) imaging in the renal mass.

Here we discuss the treatment of a post-lithotripsy, retroperitoneal haemorrhage using desmopressine (DDAVP) as monitored using closure time with a PFA-100 device. Five days after lithotripsy the patient's closure time reading (tested with the collagen plus epinephrine cartridge) normalized following DDAVP administration. This report demonstrates the usefulness of the PFA-100 in monitoring the treatment of platelet dysfunction and also evaluates possible contributory causes of this type of haemorrhage.

Chronic pyelonephritis presenting as retroperitoneal hemorrhage is an unknown complication and to the best of our knowledge there is only one reported case of acute retroperitoneal hemorrhage complicating a Xanthogranulomatous pyelonephritis. We present an atypical case of Xanthogranulomatous pyelonephritis presenting with acute retroperitoneal haemorrhage ending up with nephrectomy.

Spontaneous retroperitoneal haemorrhage may occur due to variety of causes, but absence of trauma is stressed. In our study often cases, the commonest cause was angiomyolipona (6 cases). Clinical presentation varied, from mild flank pain to shock and oliguria. Ultrasound may be the initial test but CT scan remains the gold standard for diagnosis. Angiography is helpful to look. for vascular defects, and arteriovenous malformations in small renal cell carcinoma. Management varies from conservative approach to radical nephrectomy, depending on etiology.

Haemoglobinuria and periumbilical discoloration (also known as Cullen's sign) are clinical signs uncommonly reported in veterinary patients. This report describes a case of retroperitoneal haemorrhage in a dog, associated with haemoglobinuria and Cullen's sign. To the authors' knowledge, these clinical signs have not previously been reported singularly or in combination with retroperitoneal haemorrhage in dogs. A neutered male Shetland sheepdog, which was presented for haematuria, also had an abdominal mass, abdominal pain and a large area of periumbilical discoloration. Laboratory studies determined that haemoglobinuria was the cause of the red-coloured urine. Abdominal radiographs suggested a splenic mass and a coeliotomy was performed. During the induction and throughout the anaesthetic period the dog was hypertensive and a large haematoma originating from the right retroperitoneal space was identified at surgery. The cause of the haemorrhage was uncertain but a ruptured phaeochromocytoma was thought possible on the basis of the persistent hypertension and the location of the haemorrhage.

Haemorrhagic shock during pregnancy and the puerperium due to intro-abdominal and retroperitoneal bleeding can be catastrophic for both mother and fetus. Most potential sources of bleeding are not recognized before the event, but for any that are identified, elective control offers the best hope of avoiding disaster. Once bleeding has occurred, prompt investigation and surgical treatment are required. Most obstetricians will have little or no experience through an entire career with the rarest causes of intro-abdominal and/or retroperitoneal bleeding. This paper aims to raise the awareness of practitioners on some unusual sites of catastrophic haemorrhage.

Retroperitoneal haemorrhage due to metastatic disease is a rare event not previously reported in lymphomas. We describe a 36-year-old woman diagnosed with diffuse large B cell lymphoma (DLBCL) of bone marrow, liver and spleen presenting in the leukaemic phase. The patient attained complete remission after ‘ALL-like’ chemotherapy (cyclophosphamide, vincristine, adriamycin, dexamethasone); 22 months later, she developed an isolated central nervous system (CNS) relapse which was successfully managed with a combination of chemotherapy and CNS irradiation. Six months later, she was rehospitalized because of abdominal pain; an MRI revealed a large haemorrhagic mass in the left adrenal. Surgical removal of the lesion confirmed an adrenal relapse of the primary DLBCL.

Massive retroperitoneal haemorrhage because of adrenal bleeding following blunt trauma is a rare entity. We describe a 23-year-old woman with massive retroperitoneal haemorrhage as a result of inferior adrenal artery (IAA) disruption following a car accident. Superselective transcatheter embolization of the IAA using polyvinyl alcohol particles was performed successfully to control haemorrhage. To our knowledge, this is the second report of massive retroperitoneal haemorrhage caused by IAA disruption successfully treated by transcatheter embolization.

A case report of neonate with severe haemophilia A and massive retroperitoneal haemorrhage.