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PubMed2002

Cyclic neutropenia and pyomyositis: a rare cause of overwhelming sepsis.

Primary pyomyositis is a pyogenic infection of skeletal muscle with abscess formation, which traditionally lacks an identifiable cause. We present a case of pyomyositis for which a cause was established. This was largely due to the fact that the patient was young and fit, enabling him to survive such overwhelming sepsis long enough for cycling of his neutrophil count to become apparent. Having had multiple abscesses drained, he was successfully treated with granulocyte colony stimulating factor and has remained well since.

Acute Kidney Injury↗
PubMed2003

Tuberculous pyomyositis.

Tuberculosis, caused by Mycobacterium tuberculosis is a common infection both in immunocompromised and normal hosts. Its clinical manifestation can by divided as pulmonary and extrapulmonary form. Pyomyositis caused by M. tuberculosis is extremely rare. The authors report 2 patients, one with underlying dermatomyositis, and the other with polymyositis. The diagnosis was delayed according to nonspecific symptoms and masking effect of steroid therapy, which led to complications. Microscopy and culture of the pus confirmed the diagnosis. Surgical drainage was done and antituberculous therapy was given. The patient with dermatomyositis was complicated by drug induced hepatitis and died but the other was cured. Tuberculous pyomyositis should be considered in patients who are immunocompromised hosts.

Adult↗
PubMed2003

Primary obturator pyomyositis: a diagnostic challenge.

Pyomyositis of the obturator muscles is a rare condition, characterised by pain in the hip and features of systemic infection. It may follow minor trauma to the hip, sometimes in the presence of an apparently innocuous infective source. All previously reported cases have been diagnosed conclusively on the initial CT or MR scan. We present a case of obturator pyomyositis in a 21-year-old football player in which the first MR scan was misleading. A radiolabelled, white blood cell scan was also negative and the resultant delay in diagnosis proved dangerous. The crucial importance of careful and repeated clinical examination is emphasised.

Adult↗
PubMed1992

Pyomyositis in a diabetic host.

A case of pyomyositis in a diabetic host is presented. Pyomyositis is occurring more often and clinicians must be aware of this entity, especially in the immunocompromised host. The reasons for more frequent and severe infections in the diabetic patient are outlined.

Bacterial Infections↗
PubMed2005

Pyomyositis. A literature review.

Pyomyositis is a primary bacterial infection of the skeletal muscles. It is known as tropical myositis as most cases have been reported in patients living in tropical areas and, until recently, it was considered unusual in the temperate zone. The condition is usually diagnosed late, and for this reason it is followed by an increased morbidity and sometimes a significant mortality rate. A review of the literature indicates a possibly rising incidence in non-tropical areas. This condition should be considered in patients with muscle pain, fever, leucocytosis, elevated ESR and CRP, in tropical and non-tropical countries, in previously healthy patients as well as in patients suffering other health problems, particularly HIV infection. An MRI investigation should be performed early as it is the imaging technique of choice during the first stage of the disease. A case of a primary iliopsoas pyomyositis diagnosed during the initial stage using MRI is presented as an illustration.

Adult↗
PubMed1990

[Pyomyositis in AIDS. Apropos of a case].

Pyomyositis is a purulent infection of skeletal muscle, a rare entity in temperate climates. The disease has been rarely reported in patients with AIDS. Staphylococcus aureus is the predominant organism. This article presents a case of pyomyositis following insertion of a central venous catheter. Imaging techniques (ultrasonography, computed tomography and magnetic resonance) are useful for diagnosis. The ultrasound-guided aspiration allows isolation of the etiologic agent. The traditional management is medical and surgical.

Abscess↗
PubMed1990

Tropical pyomyositis. Demonstration of extent and distribution of disease by gallium scintigraphy.

Pyomyositis is a Staphylococcus aureus infection of muscles reported primarily in tropical countries but seen with increasing frequency in temperate climates. Because of its rarity in the United States, the diagnosis may not be considered immediately, and involved muscles may break down and become abscessed. Diagnosis is most reliably made by the recovery of pus from a muscle aspirate. Ga-67 scan findings of an interesting case of pyomyositis involving many muscle groups in both upper and lower extremities is reported. Despite arthralgias and complicating adult respiratory distress syndrome, Ga-67 correctly localized the infection to muscles in the shoulders, upper thorax, buttocks, and thighs. A bone scan was negative, excluding the possibility of extension of the infection to bone.

Adult↗
PubMed1988

Pyomyositis mimicking soft-tissue sarcoma.

A case of pyomyositis mimicking a soft-tissue sarcoma of the adductor muscle group is described. The aetiology and several presentations of pyomyositis and their differential diagnosis from sarcoma are discussed.

Abscess↗
PubMed1987

Pyomyositis and polyarticular septic arthritis from Hemophilus influenzae in a nonimmunocompromised adult.

We describe a healthy woman in whom pyomyositis of the left buttock, polyarticular septic arthritis, and meningitis due to Hemophilus influenzae type B developed after pneumonia. Systemic antibiotic therapy and local drainage provided a good result. This is the first case of pyomyositis and the 30th case of septic arthritis from Hemophilus influenzae described in an adult.

Arthritis, Infectious↗
PubMed1986

Pyomyositis.

Pyomyositis is a bacterial infection of skeletal muscle that is usually accompanied by abscess formation. Staphylococcus aureus is the most common causative organism. Pyomyositis should be suspected in any patient who presents with fever, muscle pain and leukocytosis. It is confirmed by needle aspiration and culture of the suspected muscle group. Treatment entails incision and drainage of abscesses and appropriate antibiotic therapy.

Adolescent↗
PubMed1979

Tropical pyomyositis: a case report and review.

Tropical pyomyositis is a disease of skeletal muscle characterized by single or multiple abscesses. The infective organism is most often penicillin-resistant Staphylococcus aureus. Only recently have case reports appeared in the literature from temperate zones; however, this disease is common in the tropics. This report reviews the literature and describes a child from rural North Carolina in whom tropical pyomyositis developed after incision and drainage of a furuncle.

Abscess↗
PubMed1984

Multifocal pyomyositis. Diagnosis on technetium-99m MDP bone scan.

Pyomyositis is a bacterial infection of skeletal muscle occurring in the absence of trauma or a primary site of infection. The condition is rare in temperate climates. The diagnosis is often difficult to make and frequently delayed since the suppurative process is confined by the tense overlying muscle and fascia. The bone scan is very useful in differentiating underlying osteomyelitis and septic arthritis. An 11-year-old boy is described who presented with multifocal pyomyositis in the elbow region and thigh. Lateral blood pool images suggested infection with liquefaction within the muscles without evidence of osteomyelitis.

Bone and Bones↗
PubMed1978

Tropical pyomyositis and myoglobinuria.

A 24-year-old Samoan woman had rhabdomyolysis, myoglobinuria, and acute renal failure, secondary to tropical pyomyositis. The pathogenesis, clinical manifestations, and management of pyomyositis and myoglobinuric renal failure are reviewed.

Acute Kidney Injury↗
PubMedDate not supplied

Tropical pyomyositis.

Tropical pyomyositis, a suppurative condition involving a group or groups of muscles, has only been described in the tropical areas of the world. An etiological factor in the genesis of this disease is closed muscle trauma causing bleeding, hematoma formation, muscle necrosis, and secondary blood borne infection; but this does not explain why the condition occurs or is contracted only in the tropical belt. The commonest organism present in the abscess is Staphylococcus aureus. Neglected or poorly treated tropical pyomyositis can give rise to chronic osteomyelitis or septic arthritis.

Adolescent↗
PubMed1995

[Pyomyositis].

A 49 year old man with a palpable femoral tumor was examined by ultrasonography, CT and MRI within five days. Ultrasonography and CT indicated a solid malignant tumor, whereas MRI showed high signal intensity throughout the medial vastus muscle on T2-weighted images and centrally localized areas with low signal intensity on T1-weighted images indicative of pyomyositis. This diagnosis was immediately confirmed at surgery. Prompt diagnosis of pyomyositis is of utmost importance since it can rapidly develop into a life-threatening condition. The present case demonstrates the superiority of MRI in this clinical entity, whereas ultrasonography and CT may be misleading in the early stage.

Diagnosis, Differential↗
PubMed1994

[Pyomyositis of iliopsoas muscle with infection of renal cyst: a case report].

We report a case of pyomyositis of iliopsoas muscle with infection of renal cyst. A 50-year-old woman was admitted to our hospital complaining of left lumbago, and we suspected that she had a left ureteral stone at first. Ultrasonogram and intravenous pyelography showed bilateral multilocular renal cyst and enlargement of the left iliopsoas muscle. Finally she was diagnosed with left pyomyositis of iliopsoas muscle with infection of renal cyst by ultrasonogram, computerized tomography scan and magnetic resonance imaging. She had no complaints after she had received antibiotic therapy for a week.

Bacterial Infections↗
PubMed1993

Pyomyositis: cervical localization.

We describe an uncommon case of cervical pyomyositis in a 60-year-old woman without predisposing factors, admitted for cervicobrachial neuralgia with fever and paravertebral contracture. Ultrasonography and computed tomography (CT) showed a collection in the left longissimus capitis. Ultrasonography guided needle aspiration yielded thick pus, which cultured Staphylococcus aureus. Our patient completely recovered after antibiotherapy. Pyomyositis is rare and most commonly affects rhizomelic muscles (cervical localization is extremely rare) and occurs in patients with predisposing factors. Staphylococcus aureus is responsible for over 85% of cases; ultrasonography and CT scan are useful for abscess localization and aspiration.

Female↗