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Bone marrow biopsy (BMB) is a routinely performed procedure, with the preferred site being the posterior superior iliac crest. Uncommonly, it may be complicated by haemorrhagic complications, especially in patients with coagulopathy. Here, we present a case of pelvic haematoma following a BMB due to the injury of the right internal iliac artery. Endovascular embolisation was performed on an urgent basis to manage this complication. The bleeding stopped following the embolisation.

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OBJECTIVE: Our aim is to demonstrate a rare cause of hemoperitoneum without vaginal bleeding resulting from the rupture of a uterine artery pseudoaneurysm after uncomplicated vaginal delivery. CASE REPORT: A 39-year-old woman who had experienced a normal vaginal delivery 8 days previously to being seen in our hospital, was presented to the emergency room with hypovolemic shock. Computed tomography angiography (CTA) showed massive internal bleeding and a ruptured pseudoaneurysm arising from the left uterine artery. The patient was successfully treated through transcatheter arterial embolization (TAE). CONCLUSION: A pseudoaneurysm is a rare disease which can occur during an uncomplicated vaginal delivery. The clinical presentation can vary from asymptomatic, vaginal bleeding or hemoperitoneum. The diagnosis can be made by using Doppler sonography, CTA or Magnetic Resonance Imaging. The use of TAE is now the most common treatment option and possesses a high success rate.

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Behçet's disease is a systemic vasculitis of unknown origin. It mainly affects young men. Vascular involvement mainly affects the veins and may manifest as deep or superficial thrombosis. Arterial involvement is rare and serious. Arterial thrombosis or aneurysms/false aneurysms can be life threatening in case of rupture. All the arteries in the body can be affected, with widely varying frequencies. Involvement of the renal arteries is very rare. We report the case of a young patient followed for schizophrenia and known to have Behçet's disease, in whom a false aneurysm of the right renal artery was diagnosed during hematuria. He unfortunately refused any type of intervention.

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BACKGROUND: This report presents the management of patient with extracranial internal carotid artery pseudoaneurysm due to giant cell arteritis. CASE PRESENTATION: Left internal carotid artery pseudoaneurysm was diagnosed in a 57-year-old Ukrainian woman, which became a direct indication for surgical treatment involving aneurysm resection and internal carotid artery reimplantation. The used reconstruction technique with oblique cutting of internal carotid artery, aneurysm resection, ellipse-form anastomosis formation, and distal intima fixation prevents the dissection, restenosis, and aneurysm of anastomosis in the long-term postoperative period. Histopathological examination revealed the giant cell arteritis of the internal carotid artery. CONCLUSION: This case emphasizes the importance of open surgical treatment of extracranial carotid artery aneurysms, which allows to perform optimal carotid artery reconstruction and also define the rare etiology of disease.

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BACKGROUND Ortner syndrome, or cardiovocal syndrome, is a left recurrent laryngeal nerve palsy secondary to cardiovascular causes. Aortic pseudoaneurysm is a rare life-threatening condition resulting from weakening of the aortic wall. Clinical presentation of aortic pseudoaneurysm is highly variable. Hoarseness is often caused by benign conditions; however, it can be the first symptom of an underlying serious condition requiring immediate diagnosis and management. CASE REPORT We report a series of 2 patients with sudden hoarseness as the first symptom of an aortic arch pseudoaneurysm. Two men, with ages of 76 and 60 years, had sudden hoarseness a few weeks before. Laryngoscopy showed a left vocal cord palsy in both cases. A computed tomography (CT) scan showed a thoracic aortic pseudoaneurysm located at the aortic arch compressing the left recurrent laryngeal nerve. Both patients were treated with endovascular aortic repair. The first patient underwent a carotid-subclavian artery bypass, and the left subclavian artery was closed with a vascular plug device. He was discharged a week later, with persistent hoarseness. In the second case, subclavian artery occlusion and pseudoaneurysm embolization with coils were performed. Control CT scan confirmed the procedure's success. However, after an initial favorable evolution, the patient had severe non-vascular complications and finally died. CONCLUSIONS Considering these 2 cases and those reported in the literature, aortic origin should be considered in the differential diagnosis of hoarseness, particularly when it appears suddenly. Thoracic endovascular aortic repair is a feasible option for those patients with penetrating aortic ulcer or pseudoaneurysm located in the aortic arch.

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Mycotic aneurysm in a visceral artery due to tuberculosis (TB) is a rare occurrence. Imaging plays a critical role in its diagnosis. Over the last few years, minimally invasive interventional radiological treatment has replaced more invasive surgical procedures. Here, we report a case presenting with abdominal pain, diagnosed with jejunal artery mycotic pseudoaneurysm (PSA) secondary to TB, managed by endovascular coiling. Coil embolisation of the superior mesenteric artery branch was done using three coils, closing both the front door, back door and sac of the mycotic aneurysm. Visceral PSA following TB infection is rare and can be fatal if left untreated. Coil embolisation is a minimally invasive procedure with a high success rate and comparatively fewer complications.

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BACKGROUND: Hemoptysis resulting from rupture of the pulmonary artery pseudoaneurysm (PAP) is massive and fatal, while factor contributing to the rupture of pseudoaneurysm remains elusive. This study aimed to elucidate the clinical and radiological features of PAP and identify the risk factors associated with rupture. METHODS: Patients who developed hemoptysis with PAP were collected from January 2019 to December 2022 retrospectively. Clinical data of the demographic characteristics, radiological findings, treatment strategies, and prognosis were collected. A comparative analysis was performed on the characteristics in the ruptured and non-ruptured cases. RESULTS: A total of 58 PAPs were identified in the 50 patients. The most common causes were infection (86%) and cancer (8%). The PAPs were located predominantly in the upper lobes of both lungs, and 57 (99.3%) were distributed in the segmental or subsegmental pulmonary arteries. The median diameter was 6.1(4.3-8.7) mm. A total of 29 PAPs were identified adjacent to pulmonary cavitations, with the median diameter of the cavity being 18.9 (12.4-34.8) mm. Rupture of pseudoaneurysm occurred in 21 cases (42%). Compared to unruptured group, the ruptured group had a significantly higher proportion of massive hemoptysis (57.1% vs. 6.9%, p < 0.001), larger pseudoaneurysm diameter (8.1 ± 3.2 mm vs. 6.0 ± 2.3 mm, p = 0.012), higher incidence of pulmonary cavitation (76.2% vs. 44.8%, p = 0.027), and larger cavitation diameters (32.9 ± 18.8 mm vs. 15.7 ± 8.4 mm, p = 0.005). The mean pulmonary artery pressure (mPAP) in the ruptured group was also significantly higher than that in the unruptured group [23.9 ± 7.4 mmHg vs. 19.2 ± 5.0 mmHg, p = 0.011]. Endovascular treatment was successfully performed in all 21 patients with ruptured PAP, of which the clinical success rate was 96.0%. Five patients experienced recurrent hemoptysis within one year. CONCLUSIONS: Massive hemoptysis, pseudoaneurysm diameter, pulmonary cavitation, and elevated mPAP were the risk factors for rupture of pseudoaneurysm. Our findings facilitate early identification and timely intervention of PAP at high risk of rupture.

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We experienced an extremely rare case of blunt traumatic aortic arch pseudoaneurysm( BTAAPA) and report it with literature review. A 40-year-old asymptomatic man with chest X-ray abnormality visited our hospital. Contrast-enhanced computed tomography( CT) scans revealed saccular aortic-isthmus aneurysm, and BTAAPA was diagnosed because of a history of multiple severe traffic trauma 21 years before. The patient underwent replacement of the distal aortic arch and proximal descending aorta under partial cardiopulmonary bypass through left posterolateral thoracotomy. The postoperative course was uneventful. BTAAPA is exceedingly uncommon, and our comprehensive literature search identified only 9 cases including the present case. The age at diagnosis was 10 to 76 years, 7 cases were males, and most of the traumas were due to traffic accidents. The present case had the longest duration (21 years) from the trauma to the diagnosis. Six patients underwent thoracic endovascular aortic repair with good prognosis.

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CASE: We present a 17-year-old male patient with an initially missed posterior sternoclavicular fracture dislocation who presented with symptoms related to thrombotic emboli arising from a pseudoaneurysm. He was treated 6 weeks after injury with a figure-of-eight tendon allograft repair with good clinical outcomes. CONCLUSION: This is a unique presentation that highlights the significant risk of a missed diagnosis, life-threatening complications that may ensue, and biomechanically superior surgical intervention.

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Pseudoaneurysm of the lateral perforating branch of the peroneal artery is exceedingly rare. To our knowledge, eight cases are described in the current literature, with five occurring as a result of trauma and the remainder being iatrogenic. We present a pseudoaneurysm of the lateral perforating peroneal artery in a professional athlete following an inversion-plantarflexion injury of the ankle. He described persistent pain and fluctuant swelling to the lateral aspect of the right ankle with sudden onset of increased pain and swelling 10 days after the initial injury. Arterial duplex identified a pseudoaneurysm of the right lateral perforating peroneal artery. Endovascular coil embolisation of the aneurysm resulted in almost immediate improvement in symptoms. The patient has since regained full function of the affected ankle. This case report highlights the necessity for clinicians to maintain a high index of suspicion in order to promptly investigate and appropriately manage this pathology.

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CASE: (1) A 69-year-old man sustained a proximal humeral fracture-dislocation. During emergency surgery, copious bleeding occurred. A pseudoaneurysm was identified 30 days postoperatively. (2) A 69-year-old man sustained a proximal humeral fracture and axillary artery injury. Physical examination demonstrated a cold but pink hand. Hemiarthroplasty and bypass vein grafting were performed. (3) An 86-year-old woman sustained a proximal humeral fracture and axillary artery injury. Her hand had turned cold and pale. Reverse shoulder arthroplasty and bypass vein grafting were performed. CONCLUSION: In cases of proximal humeral fractures with significant displacement, concomitant axillary artery injury must be assessed and if there is a high index of suspicion, prompt advanced imaging is necessary.

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Pseudoaneurysm is the formation of a sac due to damage in the continuity of the arterial wall. Iatrogenic carotid artery aneurysm is a rare, life-threatening complication following fine needle aspiration (FNA). We are presenting here a case of pseudoaneurysm following FNA with a literature review.

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Bullet embolization is a rare and potentially life-threatening complication of gunshot wounds, particularly in lowpowered and small-caliber bullets. When these small bullets enter a large elastic vessel, they have the potential to leave a small entrance hole that can form a traumatic pseudoaneurysm. These pseudoaneurysms, which may be life-protecting at first, may rupture and lead to exsanguination if not found. We report an interesting case of an 18-year-old male gunshot victim where a bullet formed an aortic pseudoaneurysm and subsequently embolized and present a review of the literature regarding bullet embolization and traumatic pseudoaneurysms.

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We present a compelling case of an elderly male with a complex medical history who presented with sepsis secondary to a urinary tract infection. During admission, changes in his abdominal exam prompted imaging studies, which revealed a grade IV splenic laceration with a giant splenic artery pseudoaneurysm containing a suspected arteriovenous fistula component. Multidisciplinary discussion was had regarding patient management which resulted in the decision to perform an emergent splenectomy. Learning points from this case underscore the crucial role of interdisciplinary collaboration in the treatment of this pathology. Additionally, we discuss the decision-making process to support surgical intervention in the absence of clear guidelines in this exceedingly rare condition.

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BACKGROUND: Innominate artery aneurysms (IAAs) are rare and may result in rupture, distal arterial embolization, or local compression without timely treatment. Rupture is the most dangerous of these complications. This article reports a case of innominate artery bifurcation pseudoaneurysm. CASE PRESENTATION: The patient was a 45-year-old man who was admitted to the emergency department due to chest discomfort. The computed tomographic angiography (CTA) imaging indicated the presence of a 3.6*2.4 cm saccular aneurysm in the bifurcation of the innominate artery, involving both the right proximal subclavian and common carotid arteries. The patient's vital signs were normal, there was equal blood pressure in the upper arms and no neurological dysfunction was observed. Gadolinium-enhanced magnetic resonance angiography indicated that the circle of Willis was intact. The treatment involved open surgery combined with endovascular therapy. The external carotid artery was first transposed to the right subclavian artery (RSA) and an 8-mm woven Dacron graft was inserted in the middle. The covered stent graft was then placed in the proximal part of the innominate artery to close the entrance of the aneurysm. Lastly, an occluder was implanted at the origin of the RSA. There were no perioperative or postoperative complications. At 1-year follow-up, no aneurysm was observed on CTA and the right vertebral artery was patent. CONCLUSIONS: This study indicated that the combined use of endovascular therapy and open repair surgery is an effective strategy to treat innominate artery bifurcation pseudoaneurysm.

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Pseudoaneurysms are false aneurysms that mostly occur at the site of arterial injury. Pseudoaneurysm is the most frequent complication after catheter-associated interventions and occurs because of an insufficient closure of the puncture site. However, there are several reported cases of patients with pseudoaneurysm without a prior history of vascular intervention. We described a case of ruptured giant abdominal aortic pseudoaneurysm in a patient with no prior history of vascular intervention, with an initial complaint of abdominal pain. The patient successfully received EVAR therapy using a kissing graft.

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A 66-year-old man developed exertional dyspnea. The patient had undergone total arch replacement for a dissecting aortic arch aneurysm at the age of 53 and conservative treatment for myocardial infarction at the age of 60. Several imaging studies revealed a giant pseudoaneurysm that likely originated from a true ventricular aneurysm. The pseudoaneurysm severely compressed the right ventricle. Surgery was promptly performed. The patient had a history of cardiac surgery and had exclusively dense pericardium adhesion. Therefore, we incised the pseudoaneurysm and sutured the rupture orifice directly from inside the pseudoaneurysm under rapid pacing. This approach may represent an effective surgical alternative in patients with small rupture orifice and dense adhesions.

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