scholarly journals Multimodal imaging features of transient perivascular inflammation of the carotid artery (TIPIC) syndrome in a patient with Covid-19

2022 ◽  
Vol 17 (3) ◽  
pp. 902-906
Author(s):  
Evangelis Venetis ◽  
Deborah Konopnicki ◽  
Patrice Jissendi Tchofo
Keyword(s):  
Carotid Artery ◽  
Multimodal Imaging ◽  
Imaging Features ◽  
Perivascular Inflammation

scholarly journals TIPIC—A Newly Recognized Syndrome: Multimodality Imaging of a Rare Clinicoradiological Entity

2021 ◽  
Author(s):  
Tanvi Modi ◽  
Mitusha Verma ◽  
Gauri Ahuja ◽  
Neemish Kamat ◽  
Deepak P. Patkar
Keyword(s):  
Differential Diagnosis ◽  
Carotid Artery ◽  
Neck Pain ◽  
Rare Case ◽  
Multimodality Imaging ◽  
Carotid Bifurcation ◽  
Imaging Features ◽  
Imaging Findings ◽  
Western Literature ◽  
Perivascular Inflammation

AbstractCarotidynia is a controversial clinicopathological entity vastly described in Western literature as neck pain in the region of carotid bifurcation secondary to an underlying inflammatory etiology. Radiologically, this appears as perivascular inflammation and has recently been designated as transient perivascular inflammation of the carotid artery (TIPIC) syndrome. The authors of this report discuss the multimodality imaging features of a rare case of this disease in our country to familiarize radiologists with the imaging findings and to encourage the inclusion of TIPIC syndrome as a differential diagnosis for focal neck pain.

scholarly journals Idiopathic Free-Floating Thrombus of the Common Carotid Artery

2002 ◽  
Vol 29 (1) ◽  
pp. 97-99 ◽  
Author(s):  
Brian Silver ◽  
Irene Gulka ◽  
Michael Nicolle ◽  
Ramesh Sahjpaul ◽  
Vladimir Hachinski
Keyword(s):  
Carotid Artery ◽  
Common Carotid Artery ◽  
Multimodal Imaging ◽  
Doppler Ultrasonography ◽  
Resonance Imaging ◽  
Wall Defect ◽  
Floating Thrombus ◽  
Weighted Magnetic Resonance Imaging ◽  
The Common ◽  
One Year

Background:The observation of an intraluminal common carotid artery thrombus overlying a wall defect at ultrasonography or angiography is unusual. To our knowledge, there are no previous reports of a free-floating thrombus in the common carotid artery.Case Report:A 45-year-old woman who was previously healthy and on no medications presented with acute hemiparesis and aphasia. Following testing that included carotid duplex and trancranial Doppler ultrasonography, diffusion-weighted magnetic resonance imaging, and digital subtraction angiography, the patient underwent emergency open embolectomy. No underlying wall defect was seen at the time of imaging or surgery. No obvious hypercoagulable state could be identified. Her NIH Stroke Scale score improved from 26 at admission to 2 at three months and 1 at one year.Conclusions:Multimodal imaging may have improved diagnosis and management in this patient with a unique finding. The source of the thrombus remains obscure.

Risk factors for hyperperfusion-induced intracranial hemorrhage after carotid artery stenting in patients with symptomatic severe carotid stenosis evaluation

2018 ◽  
Vol 11 (5) ◽  
pp. 474-478 ◽  
Author(s):  
Lei Zhang ◽  
Dongwei Dai ◽  
Zifu Li ◽  
Guoli Duan ◽  
Yong-wei Zhang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Carotid Artery ◽  
Carotid Stenosis ◽  
Intracranial Hemorrhage ◽  
Carotid Artery Stenting ◽  
Ct Perfusion ◽  
Treatment Strategies ◽  
Imaging Features ◽  
Anterior Circulation ◽  
Total Occlusion

BackgroundAnalyzing risk factors for hyperperfusion-induced intracranial hemorrhage (HICH) after carotid artery stenting (CAS) in patients with symptomatic severe carotid stenosis.MethodsThis study retrospectively analyzed clinical data of 210 patients, who had symptomatic severe carotid stenosis (70–99%) and received CAS treatment between June 2009 and June 2015, and evaluated the relationship of HICH with patients’ clinical baseline data, imaging features, and treatment strategies.ResultsSeven patients (3.3%) developed HICH after CAS. The incidence of HICH among patients with near total occlusion was significantly higher than among those without (10.1% vs 0%, P<0.001). Out of the seven, five had no development of either anterior or posterior circulations, and two had no development of anterior circulation and poor development of posterior circulation. Results showed that patients with poor compensation of Willis’ Circle were more likely to develop HICH compared with other patients (P<0.001). All patients received preoperative CT perfusion. TTP index was defined as the TTP ratio between the affected and contralateral side. The results showed that the TTP index was significantly different between the HICH group and non-HICH group (1.15±0.10 vs 1.30±0.15, P<0.001). An analysis of the ROC curve indicated that patients with TTP index >1.22 were more likely to develop HICH compared with other patients (sensitivity 100%, specificity 75.9%).ConclusionsPatients with severe unilateral carotid stenosis, the presence of near total occlusion, poor compensation of Willis’ Circle, and preoperative TTP index>1.22, have a higher risk of developing HICH after CAS.

scholarly journals Diagnosis of atypical mass-forming chronic pancreatitis mimicking pancreatic carcinoma: A case report

2021 ◽  
Vol 2 (5) ◽  
Author(s):  
Han-Yue Wang ◽  
◽  
Hao-Su Huang ◽  
Meng Wang ◽  
Jie Peng ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Chronic Pancreatitis ◽  
Pancreatic Carcinoma ◽  
Endoscopic Ultrasonography ◽  
Fine Needle Aspiration ◽  
Multimodal Imaging ◽  
Needle Aspiration ◽  
Imaging Features ◽  
Pathological Findings ◽  
Fine Needle

Background: Mass-Forming Chronic Pancreatitis (MFCP) is rare. Moreover, atypical MFCP is difficult to differentiate from Pancreatic Carcinoma (PC) in clinical manifestations, laboratory, and imaging examinations. Diagnosis could be supported by the pathological findings of focal inflammatory fibrosis without evidence of tumor in the pancreas. Case summary: A 52-year-old man had acute pancreatitis twice over 7 months. Amylase and lipase levels were three times higher than the normal range without any clinical symptoms. At the 6th month, the patient lost 15 kg of weight, and abdominal ultrasonography revealed pancreatic head space occupied. All the findings in multimodal imaging including computed tomography image, Magnetic Resonance (MR) imaging with MR cholangiopancreatography, and 18F-FDG positron emission tomography/computed tomography showed an irregular nodule with low density, low signal, and low echo in the head of the pancreas, which were lower than those in the normal pancreatic tissue. The proximal main pancreatic duct was truncated and stenosed, and the distal duct was dilated. Subsequently, he developed progressive painless jaundice, and the specific tumor marker levels were increased. Most of these manifestations were suggestive of the pancreatic malignant tumor; however, multiple specimen pathological findings obtained from laparotomy and endoscopic ultrasonography-guided fine-needle aspiration revealed focal chronic inflammation, fibrosis, and necrosis. Conclusion: This report describes a case of atypical MFCP mimicking PC at clinical presentation and laboratory findings, especially in multimodal imaging. However, the combination of atypical multimodal imaging features, which support MFCP rather than PC, and endoscopic ultrasonography-guided fine-needle aspiration are useful for improving the diagnostic rate of atypical MFCP and avoiding unnecessary surgery.

scholarly journals Diffuse infiltrating retinoblastoma: A diagnostic conundrum

2021 ◽  
Vol 7 (2) ◽  
pp. 204-206
Author(s):  
Harsha Bhattacharjee ◽  
Aditi Mehta ◽  
Dipankar Das ◽  
Kasturi Bhattacharjee ◽  
Manabjyoti Barman ◽  
...  
Keyword(s):  
Family History ◽  
Multimodal Imaging ◽  
Positive Family History ◽  
Neovascular Glaucoma ◽  
Exudative Retinal Detachment ◽  
Imaging Features ◽  
Diagnostic Challenge ◽  
Progressive Loss ◽  
History Of ◽  
High Index Of Suspicion

Diffuse infiltrating retinoblastoma (DIR) is characterized by absence of intraocular mass, lack of calcification. It may mimic inflammatory uveitis or exudative retinopathy. An eight-years-old boy presented with progressive loss of vision in left eye. Clinical evaluation revealed neovascular glaucoma with a yellow–gray fundal glow, exudative retinal detachment, subretinal exudation and telangiectatic vessels. The presentation was consistent with exudative retinopathy (Coat’s disease) but for the presence of a family history of retinoblastoma in the younger sibling. Despite the absence of an intraocular mass or calcification on multimodal imaging, the enucleation was done on the basis of clinical suspicion of retinoblastoma. Histopathology confirmed a diagnosis of DIR.: DIR can pose a diagnostic challenge due to its non-characteristic clinical and imaging features and atypical presentation. A high index of suspicion along with a positive family history was key to diagnosis in our case; histopathology was confirmatory.

Indocyanine green angiography imaging findings in artery occlusions

2021 ◽  
pp. 112067212110378
Author(s):  
Ramesh Venkatesh ◽  
Nikitha Gurram Reddy ◽  
Vishma Prabhu ◽  
Pukhraj Rishi ◽  
Arpitha Pereira ◽  
...  
Keyword(s):  
Indocyanine Green ◽  
Multimodal Imaging ◽  
Indocyanine Green Angiography ◽  
Retinal Vessel ◽  
Retinal Artery Occlusion ◽  
Artery Occlusion ◽  
Imaging Features ◽  
Retinal Artery ◽  
Choroidal Perfusion ◽  
Rouleaux Formation

Purpose: To describe the multimodal imaging features including indocyanine green angiography (ICGA) in cases diagnosed clinically as central retinal artery occlusion (CRAO) at its different disease stages. Methods: In this retrospective observational study, patients diagnosed clinically as CRAO or hemi-CRAO were included. All patients underwent multimodal imaging with optical coherence tomography (OCT), fundus fluorescein angiography (FFA) and indocyanine green angiography (ICGA) were studied. Analysis of ICGA images in different stages of artery occlusions and its correlation with accompanying FFA and OCT images was done. Results: Eight such studies in five patients were available for analysis. The most important observation noted on ICGA was the presence of hypercyanescent spots seen during the acute stages of the disease in four of the five cases. The spots were accompanied by retinal vessel staining on FFA in the corresponding region. As the disease showed signs of resolution, the hypercyanescent spots on ICGA and retinal vessel staining on FFA disappeared. The hypercyanescent spots seen on the ICGA were noted due to the red blood cell aggregation or ‘rouleaux’ formation. In addition, choroidal perfusion abnormalities were noted on ICGA in all five cases in the acute stage. Conclusion: Choroidal perfusion changes can be identified in acute phase of retinal artery occlusion. Rouleaux formation in the retinal circulation occurs due to the slowing of the blood flow following artery occlusion. These are seen as hypercyanescent spots in the late phase on ICGA.

scholarly journals P14.10 Endoscopic skull base surgery for tumors invading internal carotid artery

2019 ◽  
Vol 21 (Supplement_3) ◽  
pp. iii68-iii68
Author(s):  
S Geng
Keyword(s):  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Skull Base ◽  
Multimodal Imaging ◽  
Internal Carotid ◽  
Skull Base Surgery ◽  
3 Dimensional ◽  
Endoscopic Skull Base Surgery ◽  
Vascular Structures ◽  
The Relationship

Abstract BACKGROUND Internal carotid artery (ICA) injury is a disaster in endoscopic skull base surgery, so protection of internal carotid artery is an essential task. We use 3-dimensional multimodal imaging (3D-MMI) and intraoperative navigation (ION) in endoscopic skull base surgery to locate ICA and decrease ICA injury. MATERIAL AND METHODS 26 patients underwent endoscopic skull base surgery (pituitary adenomas, chordomas, neurinomas and other tumors invading internal carotid artery) guided by 3D-MMI and ION techniques to locate ICA. RESULTS In all patients, the 3D-MMI and ION techniques enabled adequate visualization of vascular structures stereoscopically, especially the relationship between lesion and ICA, and suplly real-time navigation to locate ICA during endoscopic skull base surgery. No ICA injury happened and neurosurgeons removed tumors with relaxed mind. CONCLUSION 3D-MMI and ION techniques were found to be helpful to locate internal carotid artery and decrease ICA injury during endoscopic skull base surgery.

scholarly journals Noninvasive multimodal imaging in diagnosing polypoidal choroidal vasculopathy

2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Jingyuan Yang ◽  
Mingzhen Yuan ◽  
Erqian Wang ◽  
Song Xia ◽  
Youxin Chen
Keyword(s):  
Polypoidal Choroidal Vasculopathy ◽  
Multimodal Imaging ◽  
High Sensitivity ◽  
Age Related Macular Degeneration ◽  
Fundus Photography ◽  
Diagnostic Strategy ◽  
Imaging Features ◽  
Imaging Methods ◽  
Age Related ◽  
Choroidal Vasculopathy

Abstract Purpose To investigate the diagnostic accuracy of noninvasive multimodal imaging methods in diagnosing polypoidal choroidal vasculopathy (PCV) and distinguishing PCV from typical neovascular age-related macular degeneration (nvAMD). Methods Retrospective study. Imaging features of noninvasive multimodal imaging methods, including fundus photography (FP), B-scan optical coherence tomography (OCT), en face OCT, OCT angiography, and autofluorescence, of 103 eyes with PCV or typical nvAMD were reviewed. Diagnostic strategy was established based on imaging features and was validated in other 105 eyes with PCV or typical nvAMD. Results Features of subretinal orange nodule on FP, thumb-like PED on OCT, notched PED on OCT, bubble sign on OCT, and Bruch’s membrane depression under serosanguinous PED on OCT were more common. When the diagnostic strategy of using at least 2 of 5 features was performed, there is 0.88 sensitivity and 0.92 specificity for diagnosing PCV. The results of the validation test further confirmed the diagnostic strategy with 0.94 sensitivity and 0.93 specificity. Conclusions Noninvasive multimodal imaging, especially FP and B-scan OCT, provide high sensitivity and specificity for diagnosing PCV and distinguishing PCV from typical nvAMD, when at least 2 of 5 suggestive imaging features are present.

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