859 results match your criteria: "Contact Granulomas"

Immunological mechanisms involved in the protection against development of pulmonary tuberculosis in naturally infected goats.

Vet Microbiol

November 2024

Departamento de Anatomía y Anatomía Patológica Comparadas y Toxicología, Grupo de Investigación GISAZ, UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain; CIBERINFEC, ISCIII - CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain.

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An unusual cause of hemolacria: retained contact lens in upper fornix.

Rom J Ophthalmol

October 2024

Department of Oculoplasty and Ocular Oncology, Dr. Shroff's Charity Eye Hospital, New Delhi, India.

A 64-year-old male was referred for complaints of blood in tears and bloody discharge of unknown cause in the left eye. The patient was a chronic bandage contact lens (BCL) user. He had no history of recent trauma.

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[Analysis of the efficacy of vocal cord botulinum toxin injection for refractory laryngeal contact granuloma].

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi

October 2024

Department of Otorhinolaryngology Head and Neck Surgery of the Sixth Medical Center of PLA General Hospital, National Clinical Research Center for Otolaryngologic Diseases, Beijing 100048, China.

To observe the efficacy of vocal cord botulinum toxin type A injection in the treatment of refractory laryngeal contact granuloma and to analyze the factors affecting the curative effect. Fifty-two patients with refractory laryngeal contact granuloma who received vocal cord botulinum toxin type A injection under topical anesthesia from May 2021 to May 2023 were analyzed retrospectively. Among them, 51 were males and 1 was female, aged 22-66 (48.

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Article Synopsis
  • Cutaneous tuberculosis is a rare form of extra-pulmonary tuberculosis that can cause severe complications if not diagnosed and treated early, motivating a detailed study of its profile and outcomes in patients.
  • A study of 78 patients from August 2018 to 2022 found that 54 cases were confirmed with histopathology, revealing conditions like Lupus Vulgaris and scrofuloderma, with most patients showing improvement after 6 months of treatment.
  • The research highlights the importance of recognizing the disease to prevent misdiagnosis and related morbidity, emphasizing the need for heightened awareness among healthcare providers.
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  • Lobomycosis is a chronic fungal skin disease affecting certain types of dolphins, characterized by granulomatous lesions that can become large and ulcerated, primarily caused by the fungus Paracoccidioides ceti.
  • Lobomycosis-like disease (LLD) shows similar symptoms but doesn't have a confirmed molecular diagnosis, and there's a focus on its prevalence in bottlenose dolphins in Ecuador.
  • Factors like habitat, age, sex, social behavior, and pollution influence the disease's spread, and the impact of these conditions may worsen the challenges faced by already vulnerable dolphin populations.
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Treatment Outcomes of Intralesional Steroid Injection for Refractory Vocal Process Granuloma.

Clin Otolaryngol

November 2024

Department of Otolaryngology Head and Neck Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan.

Article Synopsis
  • Vocal process granuloma (VPG) is a persistent throat condition that doesn't always improve with standard treatments like vocal hygiene and medication, leading to a need for alternative therapies.
  • A study involving 23 patients who were unresponsive to initial treatments showed that intralesional steroid injections significantly reduced the size of VPG lesions after multiple sessions.
  • The findings suggest that steroid injections could be a safe and effective second-line option for patients with refractory VPG, especially for those with certain characteristics that influence treatment response.
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Aquatic Antagonists: Dermatologic Injuries From Sea Urchins (Echinoidea).

Cutis

June 2024

Medical University of South Carolina, Charleston. Dr. Brailsford is from the College of Medicine, and Dr. Elston is from the Department of Dermatology and Dermatologic Surgery.

Sea urchin injuries are common following accidental contact with sharp sea urchin spines. Immediate manifestations of injury include local erythema, pain, and myalgia. Failure to remove the spines from the skin may result in delayed systemic reactions, secondary infection, granulomas, and-if joint spaces are involved-inflammatory or infectious synovitis and arthritis.

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Background: Mycobacterium leprae is an acid fast bacterium that causes leprosy, also known as Hansen's disease. M. leprae spreads primarily through respiratory droplets and skin contact, and widespread migration of the human population may lead to infection in non-endemic areas.

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Background And Objectives: Microvascular decompression (MVD) is the primary surgical intervention for trigeminal neuralgia (TN), with Teflon being the most conventional decompressing material. However, Teflon has been associated with adhesion and granulomas after MVD, which closely correlated with the recurrence of TN. Therefore, we developed a new technique to prevent direct contact between Teflon and nerve.

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The rs11684747 and rs55790676 SNPs of ADAM17 influence tuberculosis susceptibility and plasma levels of TNF, TNFR1, and TNFR2.

Front Microbiol

May 2024

Laboratory of Immunobiology and Genetics, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico.

Introduction: The proteolytic activity of A Disintegrin and Metalloproteinase 17 (ADAM17) regulates the release of tumor necrosis factor (TNF) and TNF receptors (TNFRs) from cell surfaces. These molecules play important roles in tuberculosis (TB) shaping innate immune reactions and granuloma formation.

Methods: Here, we investigated whether single nucleotide polymorphisms (SNPs) of ADAM17 influence TNF and TNFRs levels in 224 patients with active TB (ATB) and 118 healthy close contacts.

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Infection in a Farmed White-Tailed Deer () in Florida, USA.

Animals (Basel)

May 2024

Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA.

A 7-year-old farmed white-tailed deer doe was transported to a Levy County, Florida property and began to decline in health, exhibiting weight loss and pelvic limb weakness. The doe prematurely delivered live twin fawns, both of which later died. The doe was treated with corticosteroids, antibiotics, gastric cytoprotectants, and B vitamins but showed no improvement.

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Introduction Tuberculosis of the soft tissues is a rare form of extra pulmonary tuberculosis, and isolated localization in the popliteal fossa is particularly exceptional. Atypical clinical presentation can lead to delayed diagnosis and serious complications. Case report We report the case of a 17-year-old patient who was diagnosed with tuberculosis of the popliteal fossa.

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Introduction: Ocular toxocariasis is a rare disease, predominantly affecting children and young adolescents, and usually presenting as unilateral posterior uveitis. We report the case of a child with toxocariasis associated with serous retinal detachment.

Observation: A 8-year-old child with no previous history of toxocariasis was referred for a 1-year decline in visual acuity, unimproved by optical correction, with vitreous condensation on examination, without central or peripheral granulomas, and serous retinal detachment on OCT.

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Pulmonary (Mtb) infection results in highly heterogeneous lesions ranging from granulomas with central necrosis to those primarily comprised of alveolitis. While alveolitis has been associated with prior immunity in human post-mortem studies, the drivers of these distinct pathologic outcomes are poorly understood. Here, we show that these divergent lesion structures can be modeled in C3HeB/FeJ mice and are regulated by prior immunity.

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Aluminium in dermatology - Inside story of an innocuous metal.

Indian J Dermatol Venereol Leprol

November 2024

Department of Dermatology, Venereology and Leprosy, Sri Manakula Vinayagar Medical College and Hospital, Madagadipet, Puducherry, India.

Aluminium, the third most abundant element in the earth's crust, was long considered virtually innocuous to humans but has gained importance in the recent past. Aluminium is ubiquitous in the environment, with various sources of exposure like cosmetics, the food industry, occupational industries, the medical field, transport and electronics. Aluminium finds its utility in various aspects of dermatology as an effective haemostatic agent, anti-perspirant and astringent.

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Prediction of the efficacy of proton-pump inhibitors in patients with contact granuloma using 24-hour combined dual channel pH/impedance monitoring.

Auris Nasus Larynx

June 2024

Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Bundang-gu, Seongnam, South Korea; Sensory Organ Research Institute, Seoul National University Medical Research Center, Seoul, South Korea. Electronic address:

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A quarter of human population is infected with Mycobacterium tuberculosis, but less than 10% of those infected develop pulmonary TB. We developed a genetically defined sst1-susceptible mouse model that uniquely reproduces a defining feature of human TB: the development of necrotic lung granulomas and determined that the sst1-susceptible phenotype was driven by the aberrant macrophage activation. This study demonstrates that the aberrant response of the sst1-susceptible macrophages to prolonged stimulation with TNF is primarily driven by conflicting Myc and antioxidant response pathways leading to a coordinated failure 1) to properly sequester intracellular iron and 2) to activate ferroptosis inhibitor enzymes.

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If not angioedema, what is it? Diagnostic approach to facial edema.

J Dtsch Dermatol Ges

April 2024

Departamento de Eczema de Contacto e Inmunoalergia, Servicio de Dermatología Médico-Quirúrgica y Venereología, Hospital Universitario San Cecilio, Granada, Spain.

Article Synopsis
  • Facial edema is a common issue in patients visiting allergology and dermatology clinics, but diagnosing its cause can be difficult for doctors.
  • Facial angioedema has multiple underlying causes, such as histaminergic and bradykinergic responses, which need to be differentiated from other conditions like infections and autoimmune diseases.
  • A thorough diagnostic strategy is crucial for conducting the right tests and administering effective treatment for facial edema-related conditions.
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Background: Tularaemia is a zoonotic disease caused by Francisella tularensis, a highly virulent bacterium that affects humans and small wild animals. It is transmitted through direct contact with infected animals or indirectly through contaminated soil, water or arthropod bites (e.g.

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Granulation tissue-like spindle cell (sarcomatoid) carcinoma of the head and neck: a deceptively bland-looking underdiagnosed malignancy.

Virchows Arch

May 2024

Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Comprehensive Cancer Center (CCC) Erlangen-EMN, 91054, Erlangen, Germany.

The diagnosis of head and neck spindle cell squamous carcinoma (SC-SCC) is often challenging. Lesions with a prominent inflammatory infiltrate and reactive vessels may have a granulation tissue-like appearance, therefore being difficult to distinguish from reactive lesions, like contact ulcers, post-intubation granulomas, inflammatory pseudotumors, or benign vascular lesions. In this study, we analyzed the clinicopathological features of a series of 17 head and neck SC-SCC with granulation tissue-like appearance.

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The effectiveness of various treatment approaches for laryngeal contact granulomas.

Eur Arch Otorhinolaryngol

April 2024

Department of Otolaryngology-Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiao Tong University, No.157 Xi-Wu Road, Xi'an, 710004, Shannxi Province, China.

Article Synopsis
  • The study aimed to evaluate and compare the effectiveness of different treatments for laryngeal contact granulomas (LCG) by analyzing 45 patients from Xi'an Jiaotong University.
  • Three treatment groups were analyzed: acid suppression alone, hormone injection with acid suppression, and surgery with acid suppression, focusing on treatment effectiveness and healing time.
  • Results showed that hormone injection combined with acid suppression significantly improved healing rates and reduced healing time compared to acid suppression alone, while granuloma size was larger in patients with hoarseness.
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Immunological priming - either in the context of prior infection or vaccination - elicits protective responses against subsequent () infection. However, the changes that occur in the lung cellular milieu post-primary infection and their contributions to protection upon reinfection remain poorly understood. Here, using clinical and microbiological endpoints in a non-human primate reinfection model, we demonstrate that prior infection elicits a long-lasting protective response against subsequent exposure and that the depletion of CD4 T cells prior to rechallenge significantly abrogates this protection.

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Association between atopic disease and vaccination granulomas: A nested case-control study.

Contact Dermatitis

April 2024

Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.

Background: Vaccination granulomas are observed in 1% of all children vaccinated with an aluminium-adsorbed vaccine. Most children with granulomas also have aluminium contact allergy (CA). CA and atopic diseases are both highly prevalent among children and may be associated.

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Characterization and evaluation of a fabricated absorbable poly(vinyl alcohol)-based hernia mesh.

Heliyon

November 2023

Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran 1411713138, Iran.

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