Infectious Myositis Questions & Answers

Updated: Jan 13, 2018
  • Author: Mohammed J Zafar, MD, FAAN, FACP, FASN; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Questions & Answers

Overview

What is infectious myositis?

What is the pathophysiology of infectious myositis?

What is the prevalence of infectious myositis in the US?

What is the global prevalence of infectious myositis?

What are complications of infectious myositis?

What are the demographic predilections of infectious myositis?

Presentation

What are the risk factors for infectious myositis?

What are the signs and symptoms of pyomyositis?

Which clinical history findings are characteristic of streptococcal myositis?

What are the signs and symptoms of trichinosis?

What are the signs and symptoms of lyme myositis?

What are the signs and symptoms of cysticercosis with myositis?

What are the signs and symptoms of trypanosomiasis?

What are the signs and symptoms of toxoplasma myositis?

What are the signs and symptoms of influenza myositis?

What are the signs and symptoms of acute coxsackievirus myositis?

What are the signs and symptoms of fungal myositis?

What are the signs and symptoms of cryptococcal myositis?

Which physical findings are characteristic of pyomyositis?

Which physical findings are characteristic of streptococcal myositis?

Which physical findings are characteristic of trichinosis?

Which physical findings are characteristic of lyme myositis?

Which physical findings are characteristic of cysticercosis with myositis?

Which physical findings are characteristic of trypanosomiasis with myositis?

Which physical findings are characteristic of toxoplasma myositis?

Which physical findings are characteristic of influenza myositis?

Which physical findings are characteristic of acute coxsackievirus myositis?

Which physical findings are characteristic of fungal myositis?

Which pathogens cause infectious myositis?

DDX

What are the differential diagnoses for Infectious Myositis?

Workup

Which lab studies are performed in the workup of pyomyositis?

Which lab studies are performed in the workup of streptococcal myositis?

Which lab studies are performed in the workup of trichinosis?

What is the role of serology in the workup of infectious myositis?

Which lab studies are performed in the workup of cysticercosis in infectious myositis?

Which lab studies are performed in the workup of HTLV-1 infection in infectious myositis?

Which lab studies are performed in the workup of trypanosomiasis?

Which lab studies are performed in the workup of influenza myositis?

Which lab studies are performed in the workup of coxsackievirus myositis?

Which lab studies are performed in the workup of cryptococcal myositis?

Which lab studies are performed in the workup of fungal myositis?

Which imaging studies are performed in the workup of pyomyositis?

Which imaging studies are performed in the workup of streptococcal myositis?

Which imaging studies are performed in the workup of tuberculous pyomyositis?

Which imaging studies are performed in the workup of cysticercosis in infectious myositis?

Which imaging studies are performed in the workup of trichinosis?

What is the role of skin testing in the workup of infectious myositis?

What is the role of electromyography (EMG) in the diagnosis of infectious myositis?

What is the role of needle aspiration in the diagnosis of infectious myositis?

What are the histologic features of trichinosis?

What are the histologic features of pyomyositis?

What are the histologic features of streptococcal myositis?

What are the histologic features of cysticercosis in infectious myositis?

What are the histologic features of lyme myositis?

What are the histologic features of trypanosomiasis?

What are the histologic features of influenza myositis?

What are the histologic features of fungal myositis?

Treatment

Which specialists should be consulted in the treatment of infectious myositis?

How is HIV polymyositis treated?

How is trichinosis treated?

How is trypanosomiasis treated?

How is viral myositis treated?

How is tuberculous and toxoplasmal myositis treated?

How is pyomyositis treated?

How is streptococcal myositis treated?

How is fungal myositis treated?

What is the role of surgery in the treatment of infectious myositis?

Which specialist consultations are beneficial in the treatment of infectious myositis?

Medications

Which medications are used in the treatment of infectious myositis?

Which medications in the drug class Antibiotics are used in the treatment of Infectious Myositis?

Which medications in the drug class Anthelmintic are used in the treatment of Infectious Myositis?

Which medications in the drug class Corticosteroids are used in the treatment of Infectious Myositis?

Follow-up

When is inpatient care indicated in the treatment of infectious myositis?

How is infectious myositis prevented?

What are the complications of infectious myositis?

What is the prognosis of infectious myositis?

What should be included in patient education for infectious myositis?