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Current concepts from diagnosis to management in Gorham-Stout disease: a systematic narrative review of about 350 cases.

ABSTRACT: Patients with Gorham-Stout disease (GSD) present progressive destruction and resorption of bone. Typical bone-related symptoms include swelling, pain and functional impairment in the region involved. The three aspects of GSD etiopathology are osteoclasts, angiogenesis/lymphangiogenesis and osteoblast function. Multi-targeted pharmacological approach includes innovative options and represent milestones of treatment, sometimes associated with radiotherapy. Surgery is mainly used to treat complications: pathologic/impending fractures, spinal instability or deformities and chylothorax. In this narrative review, we highlight current standards in diagnosis, clinical management and therapeutic strategies.

SUBMITTER: Angelini A

PROVIDER: S-EPMC8788153 | biostudies-literature |

REPOSITORIES: biostudies-literature

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A report of two children with Gorham-Stout disease.

Project description:BackgroundGorham-Stout disease is a rare condition characterized by unifocal and massive type IV osteolysis (variant of idiopathic nonhereditary osteolytic disease) with a slow progression, which is self-limiting for some years. It is characterized by recurrent vascular tumors with disruption of the anatomical architecture and intraosseous proliferation of vascular channels that leads to the destruction and resorption of the bone matrix. The aim of this study is to present the clinical features of this disease, as well as the importance of prompt diagnosis and treatment, with a review of the reported cases.Case reportsWe describe two cases of Gorham-Stout disease between 2013 and 2017 with surgical interventions, follow-up and results. Case one involves an 11-year-old male with involvement of the left iliac bone, with adequate evolution after a surgical procedure with a lyophilized cadaveric tricortical bone allograft. Case two involves a 6-year-old male with cervical spine C1-C3 repercussion; in the protocol for surgical treatment, he presented with signs of spinal cord compression and died.ConclusionDiagnosis of Gorham-Stout disease is made by exclusion, and its clinical presentation varies widely, from spontaneous remission to a fatal outcome.

| S-EPMC6591827 | biostudies-literature

Gorham-Stout disease of spine accompanying chylothorax: a case description.

Project description: Not available

| S-EPMC10585519 | biostudies-literature

Stimulation of Treg Cells to Inhibit Osteoclastogenesis in Gorham-Stout Disease.

Project description:Gorham-Stout disease (GSD) is a very rare syndrome displaying excessive bone erosion and vascular lesion. Due to the rarity of the disease and to the limited studies, its etiopathogenesis is not entirely known. The involvement of immune system in the progressive osteolysis was recently suggested. Indeed, extensive reciprocal interactions between the immune and skeletal systems have been demonstrated. This study aimed to evaluate alterations of immune cells in GSD. An increase of CD8+ cells and reduction of CD4+ and CD4+CD25+CD127low cells was revealed in patients. Interestingly, patients' regulatory T cells maintain the ability to respond to extracellular stimuli and to regulate osteoclastogenesis; GSD cells proliferate under aCD3/CD28 signal reaching similar levels to those observed in control culture and exert their immunomodulatory activity on effector T cells. GSD Treg cells preserved their inhibitory effects on the osteoclastogenesis. These results suggest that stimulation of Treg cells could open the way for the identification and testing of new therapeutic approaches for patients affected by GSD.

| S-EPMC8430039 | biostudies-literature

KRAS-driven model of Gorham-Stout disease effectively treated with trametinib.

Project description:Gorham-Stout disease (GSD) is a sporadically occurring lymphatic disorder. Patients with GSD develop ectopic lymphatics in bone, gradually lose bone, and can have life-threatening complications, such as chylothorax. The etiology of GSD is poorly understood, and current treatments for this disease are inadequate for most patients. To explore the pathogenesis of GSD, we performed targeted high-throughput sequencing with samples from a patient with GSD and identified an activating somatic mutation in KRAS (p.G12V). To characterize the effect of hyperactive KRAS signaling on lymphatic development, we expressed an active form of KRAS (p.G12D) in murine lymphatics (iLECKras mice). We found that iLECKras mice developed lymphatics in bone, which is a hallmark of GSD. We also found that lymphatic valve development and maintenance was altered in iLECKras mice. Because most iLECKras mice developed chylothorax and died before they had significant bone disease, we analyzed the effect of trametinib (an FDA-approved MEK1/2 inhibitor) on lymphatic valve regression in iLECKras mice. Notably, we found that trametinib suppressed this phenotype in iLECKras mice. Together, our results demonstrate that somatic activating mutations in KRAS can be associated with GSD and reveal that hyperactive KRAS signaling stimulates the formation of lymphatics in bone and impairs the development of lymphatic valves. These findings provide insight into the pathogenesis of GSD and suggest that trametinib could be an effective treatment for GSD.

| S-EPMC8410066 | biostudies-literature

Massive Axial and Appendicular Skeletal Deformities in Connection with Gorham-Stout Syndrome.

Project description::Background: Etiological understanding is the corner stone in the management of skeletal deformities. Methods: Multi-centre study of patients with deformities in connection with diverse etiological backgrounds. We aimed to study four patients (one boy and three girls) with variable axial and appendicular deformities in connection with a vanishing bone disorder. Results: Axial deformities such as scoliosis, kyphoscoliosis, compressed fused vertebrae, appendicular fractures, dislocations, and vicious disorganization deformities of the joints were in connection with the vanishing bone disorder, namely Gorham-Stout syndrome. Conclusions: It is mandatory to establish proper clinical and radiological phenotypic characterization in children and adults presented with unusual skeletal deformities. Identifying the reason behind these deformities is the key factor to draw a comprehensive management plan.

| S-EPMC6631250 | biostudies-literature

Current concepts in the diagnosis and management of antiphospholipid syndrome and ocular manifestations.

Project description:Antiphospholipid syndrome (APS) is an autoimmune disorder associated with obstetrical complications, thrombotic complications involving both arteries and veins, and non-thrombotic manifestations affecting multiple other systems presenting in various clinical forms. Diagnosis requires the presence of antiphospholipid antibodies. The exact pathogenesis of APS is not fully known. However, it has recently been shown that activation of different types of cells by antiphospholipid antibodies plays an important role in thrombosis formation. Ocular involvement is one of the important clinical manifestations of APS and can vary in presentations. Therefore, as an ophthalmologist, it is crucial to be familiar with the ocular findings of APS to prevent further complications that can develop. Furthermore, the ongoing identification of new and specific factors contributing to the pathogenesis of APS may provide new therapeutic options in the management of the disease in the future.

| S-EPMC8032459 | biostudies-literature

Efficacy of systemic sirolimus in the treatment of generalized lymphatic anomaly and Gorham-Stout disease.

Project description:BackgroundGeneralized lymphatic anomaly (GLA) and Gorham-Stout disease (GSD) are rare complicated lymphatic malformations that occur in multiple body sites and are associated with significant morbidity and mortality. Treatment options have been limited, and conventional medical therapies have been generally ineffective. Emerging data suggest a role for sirolimus as a treatment option for complex lymphatic anomalies.ProcedureDisease response was evaluated by radiologic imaging, quality of life (QOL), and clinical status assessments in children and young adults with GLA and GSD from a multicenter systematic retrospective review of patients treated with oral sirolimus and the prospective phase 2 clinical trial assessing the efficacy and safety of sirolimus in complicated vascular anomalies (NCT00975819). Sirolimus dosing regimens and toxicities were also assessed.ResultsEighteen children and young adults with GLA (n = 13) or GSD (n = 5) received oral sirolimus. Fifteen patients (83%) had improvement in one or more aspects of their disease (QOL 78%, clinical status 72%, imaging 28%). No patients with bone involvement had progression of bone disease, and the majority had symptom or functional improvement on sirolimus. Improvement of pleural and pericardial effusion(s) occurred in 72% and 50% of affected patients; no effusions worsened on treatment.ConclusionsSirolimus appears effective at stabilizing or reducing signs/symptoms of disease in patients with GLA and GSD. Functional impairment and/or QOL improved in the majority of individuals with GLA and GSD with sirolimus treatment.

| S-EPMC6428616 | biostudies-literature

A Narrative Review of Current Challenges in the Diagnosis and Management of Bacterial Vaginosis.

Project description:Despite the availability of a number of oral and intravaginal antibiotic medications for the treatment of bacterial vaginosis (BV), management of this condition remains challenging. Recurrent BV occurs in >50% of patients receiving guideline-recommended treatments. This may be due to persistence or resurgence of the BV biofilm after treatment cessation, failure to reestablish an optimal vaginal microbiome after treatment, reinfection from an untreated sexual partner, or a combination of these factors. Nonadherence to multidose BV therapies may potentially contribute to recurrent BV, although there are no published data that directly assess the role of nonadherence to poor treatment outcomes and recurrent BV. There is a need for studies of BV treatment adherence in real-world settings as well as studies to explore the relationship between treatment adherence and recurrence. This review explores challenges associated with diagnosing and treating BV, current multidose antibiotic treatment options, newer single-dose treatment options, and ways to potentially maximize treatment success for this common vaginal infection.

| S-EPMC7294746 | biostudies-literature

Current Concepts in Brachial Plexus Birth Injuries: A Comprehensive Narrative Review

Project description: Not available

| S-EPMC11340930 | biostudies-literature

Personalized Therapy for Generalized Lymphatic Anomaly/Gorham-Stout Disease With a Combination of Sunitinib and Taxol.

Project description:The recently revised ISSVA classification approved in Melbourne in April 2014 recognizes generalized lymphatic anomaly and lymphatic malformation in Gorham-Stout disease. The 2 entities can overlap in presentation, as both are characterized by destructive lymphatic vessel invasion of the axial skeleton and surrounding soft tissues. At least at present, no standard therapeutic options exist, and due to the rarity of the disease, no clinical trials are available. We present 2 patients, 1 with generalized lymphatic anomaly and 1 with lymphatic malformation in Gorham-Stout disease, with severe exacerbation during puberty. The first child presented in florid pulmonary failure and pleural effusion, the other with severe pain due to bone destruction of the pelvis and inability to walk. Both were treated using individualized protocols. The manuscript describes the rationale for choosing sunitinib in combination with low-dose (metronomic) taxol. Both patients experienced clinical and radiologic response without major toxicities, suggesting that patients with rare conditions may benefit from individualized, molecularly based therapies.

| S-EPMC4617281 | biostudies-literature

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