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Granulomatosis with polyangiitis - the incomplete puzzle.

Granulomatous with polyangiitis (GPA) is a necrotizing granulomatous vasculitis that mostly affects small-sized vessels. The disease can affect many organs, although renal and respiratory tract involvement are the most frequent and distinguishing features. Musculoskeletal manifestations have been reported in about 50% of patients and can occur as myalgia, oligoarthralgia/arthritis of large joints or polyarthralgia/arthritis of small joints. Infrequently musculoskeletal symptoms can be the first disease manifestation, and in this clinical scenario GPA diagnosis might be delayed or mistaken by o…

A case of Bartonella neuroretinitis with macular star diagnosed by clinical, epidemiological, serological, and molecular data: resolution after initiation of antimicrobial therapy.

The differential diagnosis of optic neuritis is broad and varied. We report the case of a 24-year-old Brazilian man who presented with five-week history of fever, malaise, myalgia, severe fatigue, tender right preauricular lymphadenopathy, and acute vision blurring associated with right optic disc swelling and exudates in a macular star pattern. His illness developed soon after an infestation of fleas broke out among his cats. Diagnosis of ocular bartonellosis was confirmed by serological and molecular analyses targeting amplification of Bartonella spp. htrA gene. Signs and symptoms only impro…

Rhabdomyolysis in a Patient With Coronavirus Disease 2019.

Coronavirus disease 2019 has rapidly enveloped the world in a pandemic after emerging in Wuhan, China, in December 2019. We describe a 49-year-old man presenting with fever, cough, dyspnea, and myalgia diagnosed with coronavirus disease 2019 along with rhabdomyolysis and acute kidney injury. The creatine phosphokinase was elevated to 23,800 U/L before trending down to normal levels. Rapid identification and treatment with aggressive intravenous hydration and correction of electrolyte abnormalities remain key to successful management. In a pandemic, often atypical presentations of this new dise…

18F-FDG PET/CT in a Patient With Thymoma-Associated Paraneoplastic Polymyositis.

A 43-year-old woman presented with progressive muscle weakness and myalgia for 1 month. Laboratory tests revealed the elevation of myogenic enzymes. MRI of the thighs demonstrated a pattern of edema for inflammatory myopathy. Electromyography showed diffuse myopathic disorder, and muscle biopsy indicated polymyositis. F-FDG PET/CT was performed to investigate the potential paraneoplastic syndrome and revealed a soft tissue lesion with F-FDG avidity in the right anterior mediastinum, as well as diffusely increased activity throughout the body muscles. The patient's symptoms and biochemical abno…

Metabolic Myopathies and the Respiratory System.

Metabolic myopathies are a heterogeneous group of disorders characterized by inherited defects of enzymatic pathways involved in muscle cellular energetics and adenosine triphosphate synthesis. Skeletal and respiratory muscles are most affected. There are multiple mechanisms of disease. The age of onset and prognosis vary. Metabolic myopathies cause exercise intolerance, myalgia, and increase in muscle breakdown products during exercise. Some affect smooth muscle like the diaphragm and cause respiratory failure. The pathophysiology is complex and the evidence in literature to guide diagnosis a…

Castleman's Disease and Posttransplant Lymphoproliferative Disorder after Liver Transplant: 3-Year Follow-Up.

A 59-year-old male with a history of hepatitis C cirrhosis and history of hepatitis B exposure presented 8 months after orthotopic liver transplant (LT) with fever, fatigue, myalgia, night sweats, nonproductive cough, and shortness of breath. Bone marrow biopsy for pancytopenia was positive for Epstein-Barr virus (EBV) DNA. Lymph node biopsy for lymphadenopathy on imaging showed human herpes virus 8 (HHV8) associated Castleman's disease. Treatment included valganciclovir, rituximab, and prednisone taper with eventual discontinuation. Quantitative HHV8 DNA was initially 611,000 DNA copies/mL an…

[Autochthonous case of spotted fever caused by Rickettsia parkeri in Ensenada, Buenos Aires].

We present a case of spotted fever occurred in an adult residing in Ensenada, Buenos Aires province in February 2016. The patient presented with an acute febrile syndrome associated with a skin necrotic lesion on the left leg secondary to a tick bite. The general symptoms were a maculopapular rash, headache, myalgia, and arthralgias. Seroconversion of anti-Rickettsia specific IgG antibodies confirmed recent infection. The nucleotidic and aminoacidic sequences of a gltA gen fragment matched 100% the sequences of R. parkeri strains from Argentina and other countries of America. The patient respo…

Occurrence of Dermatomyositis Immediately after Mastectomy Subsequent to Severe Chemotherapeutic Drug Eruption.

We herein report a patient with breast cancer who developed dermatomyositis (DM) immediately after mastectomy. She had a history of severe drug eruption during neoadjuvant chemotherapy six months previously. Within a month after the operation, myalgia and rash, including Gottron's papules, developed, and skeletal-muscle enzymes elevated, so she was diagnosed with probable DM according to the Bohan and Peter criteria. In many neoplastic DM cases, the course of the disease parallels the course of the malignancy. Possible mechanisms were suggested to explain the development of DM in the present c…

Clinical Isolation of Anaplasma phagocytophilum in South Korea.

We report the first isolation of Anaplasma phagocytophilum in South Korea. A 61-year-old woman presented with a 6-day history of fever, headache, and myalgia. Initial investigation showed neutropenia and thrombocytopenia. We diagnosed human granulocytic anaplasmosis by microscopic examination and serologic testing. The patient recovered fully without antibiotic therapy. The isolate was obtained from the patient's blood by cell culture and mouse inoculation. Its identity was confirmed by an immunofluorescence assay, sequencing of the 16S rRNA gene, msp2 (p44), and ankA genes, and staining and e…

Diffuse 18F-FDG Muscle Uptake in Trichinella spiralis Infection.

Two patients were referred to our emergency department with myalgia, fever, general malaise, eosinophilia, and elevated serum levels of creatine kinase and troponin T. 18F-FDG PET/CT scan was performed showing a diffuse and homogenous moderately elevated glucose uptake in all muscle groups. Trichinella spiralis infection was confirmed by a muscle biopsy and detection of trichinella antibodies. The muscle biopsy was taken in the left quadriceps because of equal involvement of the skeletal muscles. The differential diagnosis of diffuse 18F-FDG muscle uptake should include trichinella infection, …

Increased 18F-FDG Uptake in the Spleen and Multiple Lymph Nodes in Dengue Fever.

A 62-year-old man underwent a whole-body FDG PET/CT for annual cancer screening. By an interview, he had an epigastric pain, and his body temperature was 37.0°C on the day. He just came back home from a travel to Southeast Asia 1 week ago and had presented with chill, high fever (temperature, 39.6°C), arthralgia, myalgia, and skin rash a few days before. Dengue fever was diagnosed by detecting dengue virus type 1 genome and antibody to the virus accompanied by thrombocytopenia and leukopenia. PET/CT examination revealed increased FDG uptake in the spleen and multiple lymph nodes.

Wernicke's encephalopathy with chorea: Neuroimaging findings.

We present a case report of motor and cognitive disorders in a 36-year-old woman with a history of twelve years of heavy alcohol abuse. The patient presented depressive symptoms over the course of one year after a loss in the family, evolving with ataxia, bradykinesia and choreiform movements. Progressive cognitive decline, sleep alterations and myalgia were also reported during the course of disease evolution. Physical examination revealed spastic paraparesis with fixed flexion of the hips and knees with important pain upon extension of these joints. Initial investigation suggested the diagno…

Hepatitis C Virus Infection and Rheumatic Diseases: The Impact of Direct-Acting Antiviral Agents.

Chronic hepatitis C virus (HCV) infection is associated with liver and extrahepatic complications, including B-cell lymphoma, cardiovascular and kidney diseases, glucose metabolism impairment and rheumatic conditions ie, arthralgia, myalgia, cryoglobulinemia vasculitis, sicca syndrome and the production of autoantibodies. The treatment has long been based on interferon alpha (IFN) that was found poorly effective, and contraindicated in many autoimmune/inflammatory disorders because of possible exacerbation of rheumatic disorders. The recent emergence of new oral IFN-free combinations offers an…

Successful treatment of tumor necrosis factor receptor-associated periodic syndrome (TRAPS) with tocilizumab: A case report.

Tumor necrosis factor receptor-associated periodic syndrome (TRAPS) is an autosomal dominant autoinflammatory disease linked to chromosome 12p13 and, more specifically, with mutations within the tumor necrosis factor receptor superfamily, member 1A gene (TNFRSF1A gene). It is characterized by the presence of fever, abdominal pain, myalgia, arthralgia or arthritis, and skin rash. In this report, we describe the case of a patient with tumor necrosis factor receptor-associated periodic syndrome (TRAPS) treated successfully with the anti-interleukin-6 (anti-IL-6) receptor monoclonal antibody tocil…

Whole-body (99m)Tc-octreotide scintigraphy with SPECT/CT to detect occult tumor inducing paraneoplastic osteomalacia.

A 32-year-old woman presented with progressive myalgia, bone pain, fatigue, insufficiency hip fractures, high urine phosphate, and low serum phosphate and vitamin D levels. These findings were suggestive of oncogenic osteomalacia. A whole-body Tc-octreotide scintigraphy with SPECT/CT showed uptake on a sclerotic intramedullary lesion in the left medial tibia plateau. MRI depicted a solid lesion. The lesion was surgically removed; the patient became asymptomatic, and follow-up laboratory results normalized. Histopathologic examination revealed a vascular hemangiopericytoma-like tumor, positive …

Дюоденальная перфорация опустошёна Скрубом Тифусом.

Скруб тифа — это острая фебрилальная болезнь, которая обычно страдает лихорадкой, миальгией, головной болью и патогенным эшаром. Острая инфекция может привести к множественным повреждениям органов и смерти. Гаштроин кишечного тракта в форме желудочно-мышечной эрозии и язв, вызванных васкулитом, приводящим к кровотечению желудочно-кишечного тракта, является обычным явлением. Этот процесс может ухудшить существовавшую до этого асимптомную язву, вызывающую дуодальную перфорацию, и присутствовать в качестве острого живота, нуждающегося в хирургическом исследовании. Мы сообщаем о случае с пациентом

Совпадение в аннотации оригинала
Scrub typhus is an acute febrile illness usually presenting with fever, myalgia, headache, and a pathognomonic eschar. Severe infection may lead to multiple organ failure and death. Gastrointestinal tract involvement in the form of gastric mucosal erosions and ulcerations owing to vasculitis resulting in gastrointestinal bleeding is common. This process may …

Musculoskeletal involvement in systemic sclerosis.

Musculoskeletal (MSK) involvement is a very frequent manifestation of patients with systemic sclerosis (SSc). There are several reports about clinical trials assessing musculoskeletal involvement in SSc. However, only few controlled studies have been conducted. The prevalence of musculoskeletal symptoms, clinical and radiographic findings has been assessed. The most important articular (arthralgia, synovitis, contractures), tendon (tendon friction rubs, tenosynovitis) and muscular manifestations (myalgia, muscle weakness, myositis) should be carefully evaluated during the assessment of SSc pat…

Double filtration plasmapheresis for a case of Crimean-Congo hemorrhagic fever.

Crimean-Congo hemorrhagic fever (CCHF), is a fatal viral infection transmitted to humans through a tick bite or exposure to blood or tissues of viremic hosts. The clinical presentation is characterized by sudden onset high fever, headache, myalgia, abdominal pain and nausea-vomiting followed by gastrointestinal, urinary, respiratory tract and brain hemorrhage. Laboratory findings include leucopenia, thrombocytopenia, elevated liver enzymes, prolonged prothrombin time and activated partial thromboplastin time. We report a case of CCHF who was treated with a combination of DFPP and ribavirin the…

Bacillus cereus septicemia in a patient with acute lymphoblastic leukemia: A case report and review of the literature.

Bacillus cereus is an aerobic Gram-positive, spore-forming, rod-shaped bacterium that is responsible for foodborne illnesses. We report on a 15-year-old girl with B-cell acute lymphoblastic leukemia, who fell into a somnolent state after presenting with a 12-hour history of fever, muscle soreness, myalgia in both calves, sore throat, and vomiting. Fulminant septicemic syndrome caused by B. cereus was finally identified. The aim of this work is the introduction of B. cereus as a differential diagnosis of sepsis in patients with acute leukemia in induction chemotherapy, to prevent delayed treatm…

Rhabdomyolysis: rare complications with a difficult prognosis in the course of anticancer treatment.

Rhabdomyolysis refers to a number of clinical and biochemical symptoms, which result from the destruction of skeletal muscles. The following triad of symptoms is considered typical: myalgia, muscle weakness, and dark urine. The most common reasons for rhabdomyolysis in children are infections. It has also been reported that rhabdomyolysis may be caused by chemotherapy drugs. The most difficult complication of rhabdomyolysis is renal failure. The authors present a 17-year-old boy diagnosed with Ewing sarcoma and a 16-year-old boy suffering from acute leukemia, both with rhabdomyolysis developed…