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Carotidynia is transient perivascular inflammation of the carotid artery. It is a rare condition of head and neck associated with atypical neck pain, often unilateral. Patients with carotidynia often presents with atypical symptoms that makes the diagnosis of this rare entity difficult. In this article, we report a case series of 3 patients that presents with variable symptoms along with different investigative modalities and treatment approaches. Due to rare entity, this condition is often misdiagnosed or necessitates several visits to various specialties before a diagnosis is reached. Thorough clinical examination along with radiology is must to reach to a diagnosis. Patient should be counselled regarding the benign nature of the disease that can be easily controlled by low dose steroids. [ABSTRACT FROM AUTHOR]

BACKGROUND: Transient Idiopathic Perivascular Inflammation of the Carotid artery (TIPIC) or carotidynia is a clinical and radiological syndrome manifested as ipsilateral neck pain and an ipsilateral perivascular infiltrate according to ultrasound and magnetic resonance imaging. Due to the low awareness of physicians, this pathology is often mistakenly regarded as dissection or atherosclerosis of the carotid arteries, which leads to additional unnecessary diagnosis and treatment. CLINICAL CASE DESCRIPTION: Here, we present a case of idiopathic carotidynia with a discussion of the diagnostic algorithm and management of patients with unilateral neck pain. CONCLUSION: Timely and competently interpreted ultrasound and magnetic resonance imaging studies of arteries is a key link in the diagnosis of carotidynia. The complete regression of symptoms and pathological changes in the arteries without a specific therapy classifies it as a benign variant of non-atherosclerotic arteriopathy.

Key Clinical Message: Transient perivascular inflammation of the carotid artery (TIPIC syndrome) is a rare, unclassified vascular syndrome that usually affects the distal part of the common carotid artery and has a favorable prognosis. The disease is often misdiagnosed even by neurologists due to the moderate intensity of clinical symptoms and their transient character. We present a case of a 52‐year‐old man who experienced two episodes of transient neck pain and moderate local tenderness one and a half years apart. Different imaging modalities, such as ultrasound, CT angiography, and high‐resolution 3T MR, were applied to better visualize the perivascular inflammation of the common carotid arteries. Based on the clinical‐radiological characteristics of our case and applying the diagnostic criteria, we established the diagnosis of TIPIC syndrome. The patient was treated with nonsteroidal anti‐inflammatory drugs for few weeks, and reduction in perivascular changes was observed in both episodes. The case raises questions about the phases of the disease, its duration and the intervals between follow‐ups. Our article also increases the awareness of this rare clinical‐radiological entity and presents recent data from the literature. [ABSTRACT FROM AUTHOR]

Key Clinical Message Transient perivascular inflammation of the carotid artery (TIPIC syndrome) is a rare, unclassified vascular syndrome that usually affects the distal part of the common carotid artery and has a favorable prognosis. The disease is often misdiagnosed even by neurologists due to the moderate intensity of clinical symptoms and their transient character. We present a case of a 52‐year‐old man who experienced two episodes of transient neck pain and moderate local tenderness one and a half years apart. Different imaging modalities, such as ultrasound, CT angiography, and high‐resolution 3T MR, were applied to better visualize the perivascular inflammation of the common carotid arteries. Based on the clinical‐radiological characteristics of our case and applying the diagnostic criteria, we established the diagnosis of TIPIC syndrome. The patient was treated with nonsteroidal anti‐inflammatory drugs for few weeks, and reduction in perivascular changes was observed in both episodes. The case raises questions about the phases of the disease, its duration and the intervals between follow‐ups. Our article also increases the awareness of this rare clinical‐radiological entity and presents recent data from the literature.

Transient perivascular inflammation of the carotid artery (TIPIC) syndrome, historically named idiopathic carotidynia or Fay syndrome, is a rare condition characterized by inflammation and pain in the carotid artery. The diagnosis requires a specific clinical–radiological presentation. We describe a 37-year-old female who presented with headaches and left neck pain and was diagnosed with TIPIC syndrome with temporary perivascular infiltration.

Transient perivascular inflammation of the carotid artery (TIPIC) syndrome is a rare cause of atypical neck pain. The etiology of TIPIC is not fully known and is characterized by transient inflammation around the carotid artery. Ultrasonography (US) and especially magnetic resonance imaging (MRI) are the most important evaluation methods in the diagnosis and follow‐up of the disease. In this article, we report a 25‐year‐old male patient who presented with unilateral neck pain and was diagnosed with TIPIC in the light of his clinical and radiological findings. [ABSTRACT FROM AUTHOR]

Key Clinical Message: We report a rare adverse event of transient perivascular inflammation of the carotid artery syndrome induced by granulocyte colony‐stimulating factor injections. Recognition of this syndrome is important for physicians, to avoid the exposure of the causative medication, rule out differential diagnosis and delay the use of corticosteroids given the spontaneous improvement after discontinuation of the causative medication. A 73 year‐old Caucasian woman presented with odynophagia, carotidynia, and fever 5 days following a granulocyte colony‐stimulating factor (G‐CSF) injection for chemotherapy‐induced neutropenia in the setting of myelodysplastic syndrome. Examination showed painful swelling of the neck. Lab results showed inflammation with CRP 328 mg/L. A CT‐scan revealed tissue infiltration thickening surrounding the left internal carotid artery, the carotid bifurcation, and the common carotid artery, as well as circumferential thickening of the aortic arch. Ultrasound of the left internal carotid artery found isoechoic wall thickening. Symptoms drastically improved without steroids in a short time period. Horton's disease, Takayasu's diseases, and infectious vasculitis were not retained due to the short time delay of symptoms onset, atypical echogenicity, and spontaneous improvement. A diagnosis of G‐CSF‐induced large vessel vasculitis transient perivascular inflammation of the carotid artery (TIPIC) syndrome was made. Seven days later, ultrasound control showed diminished thickening infiltration. G‐CSF TIPIC is a rare adverse event that should be kept in mind in patients under G‐CSF. [ABSTRACT FROM AUTHOR]

Key Clinical Message We report a rare adverse event of transient perivascular inflammation of the carotid artery syndrome induced by granulocyte colony‐stimulating factor injections. Recognition of this syndrome is important for physicians, to avoid the exposure of the causative medication, rule out differential diagnosis and delay the use of corticosteroids given the spontaneous improvement after discontinuation of the causative medication. Abstract A 73 year‐old Caucasian woman presented with odynophagia, carotidynia, and fever 5 days following a granulocyte colony‐stimulating factor (G‐CSF) injection for chemotherapy‐induced neutropenia in the setting of myelodysplastic syndrome. Examination showed painful swelling of the neck. Lab results showed inflammation with CRP 328 mg/L. A CT‐scan revealed tissue infiltration thickening surrounding the left internal carotid artery, the carotid bifurcation, and the common carotid artery, as well as circumferential thickening of the aortic arch. Ultrasound of the left internal carotid artery found isoechoic wall thickening. Symptoms drastically improved without steroids in a short time period. Horton's disease, Takayasu's diseases, and infectious vasculitis were not retained due to the short time delay of symptoms onset, atypical echogenicity, and spontaneous improvement. A diagnosis of G‐CSF‐induced large vessel vasculitis transient perivascular inflammation of the carotid artery (TIPIC) syndrome was made. Seven days later, ultrasound control showed diminished thickening infiltration. G‐CSF TIPIC is a rare adverse event that should be kept in mind in patients under G‐CSF.

‘‘TransIent Perivascular Inflammation of the Carotid artery (TIPIC) syndrome” is an unusual cause of unilateral neck pain, due to a nonspecific inflammation of the carotid artery. This entity has been for long known as “carotidynia” and described as a syndrome rather than a distinct pathologic entity. Recently, the presence of structural abnormalities of the carotid artery wall has been demonstrated, leading to the introduction of radiological criteria which, in the appropriate clinical context, allow to diagnose TIPIC syndrome. TIPIC syndrome is a rather rare disease and, since its first description by Fay in 1927, only a small series of patients have been published. The interest of our case lies in the fact that diagnosis and follow-up were assessed on ultrasound and magnetic resonance imaging, demonstrating that a correlation between clinical evolution and radiological findings does exist. In addition, DWI sequence was performed at the time of diagnosis and at resolution. To our knowledge, such an assessment has never been reported in the previous literature.

We report the case of a 38-year-old man with transient perivascular inflammation of the carotid artery syndrome that occurred in the course of covid-19. We describe for the first-time multimodal imaging features of the perivascular changes surrounding the carotid artery, and long-term follow-up by ultrasound. The imaging features observed on ultrasound, angiography-CT, MRI and FDG-Pet scan support the hypothesis of the inflammatory nature of the perivascular tissue thickening. The ultrasound follow-up confirmed the spontaneous resolution of the lesion, leaving on site some residual changes as sequelae. The good knowledge of the imaging features reported herein helps to recognize this entity in patients with covid-19.

Relapse of TIPIC syndrome was reported in three female patients after 5, 8, and 85 weeks, respectively, and all three patients had a detectable perivascular infiltration on carotid ultrasound. TIPIC syndrome is characterized by a local inflammation of the surrounding carotid tissue; the underlying pathophysiology is unknown.[1],[2] Current knowledge of TIPIC syndrome derives mainly from case reports, as larger cohort studies are rare. Keywords: cardiovascular outcome; carotid artery disease; TIPIC syndrome EN cardiovascular outcome carotid artery disease TIPIC syndrome 345 347 3 08/10/23 20230801 NES 230801 The transient perivascular inflammation of the carotid artery (TIPIC) syndrome, formerly known as idiopathic carotidynia, is a rare vascular disease typically presenting with pain in the area of the carotid triangle accompanied with distinct radiologic features. [Extracted from the article]

Carotidynia 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.

Although endothelial damage has been hypothesized to be associated with coronavirus disease 2019 (COVID-19)-related cerebral infarction based on the specificity of the viral cellular invasion pathway, no case has been reported to date. We herein report a 51-year-old Japanese woman who presented with neck pain one week after COVID-19 infection. Computed tomography and magnetic resonance imaging revealed inflammation of the carotid and vertebral arteries. Ultrasonography revealed multiple flap-like structures that were assumed to be thrombi. Although the patient had no cerebral infarction, this could be an important case of vascular damage and thrombus formation in a COVID-19 patient.

Transient Perivascular Inflammation of Carotid artery syndrome (TIPIC syndrome) is a non-specific inflammatory thickening of the carotid artery. The exact etiology of this syndrome is poorly understood. We will describe the radiological findings of a rare case of TIPIC syndrome in a patient with myelodysplastic syndrome and discuss the potential pathophysiological mechanisms. [ABSTRACT FROM AUTHOR]

Carotidynia 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. [ABSTRACT FROM AUTHOR]

Transient perivascular inflammation of the carotid artery (TIPIC syndrome) formerly known as idiopathic carotidynia or Fay syndrome is relatively rare and not very well known entity of an unclear etiology with a typical clinical course and typical findings on imaging methods. In this communiction we present a case of 30 year old woman who presented with an unilateral painful swelling on the neck. Computed tomography was perf-ormed to exclude a neck abscess. CT and following ultrasound examination showed a thickening of the common carotid wall and an edema of the periarterial tissue in the carotic space. [ABSTRACT FROM AUTHOR]

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Key Clinical Message TransIent Perivascular Inflammation of the Carotid artery (TIPIC) syndrome is a rare syndrome with an unknown cause that is characterized by unilateral neck pain. Its existence as a pathological entity was controversial. We describe a 44-year-old male presenting with a 10-day history of right neck pain diagnosed recurrent TIPIC syndrome with temporary carotid plaque followed by ultrasonography. [ABSTRACT FROM AUTHOR]

: The Transient Perivascular Inflammation of the Carotid artery (TIPIC) syndrome is presumably a very rare disease characterized by a local transient inflammation of the tissue around the carotid artery. Its pathophysiology remains unknown. We performed an updated study of TIPIC syndrome cases in the setting of a multinational collaborative study. Background : This study was conducted as an observational multinational retrospective individual patient level cohort study. Information from all known cases diagnosed with TIPIC syndrome in the literature (2005-2020) was collected after a semi-structured literature search of PubMed and Web of Science. We also collected unpublished information of patients from French, Swiss, and Italian vascular medicine or radiology departments. Methods : This study was conducted as an observational multinational retrospective individual patient level cohort study. Information from all known cases diagnosed with TIPIC syndrome in the literature (2005-2020) was collected after a semi-structured literature search of PubMed and Web of Science. We also collected unpublished information of patients from French, Swiss, and Italian vascular medicine or radiology departments. Results : The present analysis elucidates clinical and sonographic characteristics of TIPIC syndrome, indicating the benign nature of this condition. A future international registry will study the long-term course of the disease.Conclusions : The present analysis elucidates clinical and sonographic characteristics of TIPIC syndrome, indicating the benign nature of this condition. A future international registry will study the long-term course of the disease.