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Query: UMLS:C0000737 (abdominal pain)
 31,184 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Psoas abscess in neonates and infants are rare. Primary psoas abscesses are said to be more common in young children. Limping, fever and abdominal pain has been described to be the way psoas abscesses usually present. The authors describe the unusual presentation and successful treatment of a young child with a unilateral psoas abscess secondary to advanced spondylodiscitis.
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PMID:Psoas abscess secondary to Pott's disease--an unusual presentation in a young child. 1671 45

Psoas abscess was first described by Mynter in 1881. Though rare, its prevalence is increasing with advances in radiology and an increasing ability to accurately diagnose the condition. The symptoms of a psoas abscess can be insidious and nonspecific, and patients often present with a limp, fever, weight loss, and flank or abdominal pain.A psoas abscess can be classified as either primary or secondary depending on the presence or absence of an underlying disease. Primary psoas abscess has become more prevalent in the developed world, especially in immuno-compromised patients.We present the case of a 48 year old man who presented with fever, left hip pain and difficulty weight-bearing. He had a past medical history of chronic renal failure secondary to hypertension. Following laboratory, radiological and microbiological analyses the patient was diagnosed as having a Staphylococcus Aureus hip sepsis secondary to a psoas abscess.Psoas abscess should be included as a differential diagnosis in all patients presenting with hip pain and constitutional symptoms. The case is discussed with reference to the literature.
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PMID:A case report of a septic hip secondary to a psoas abscess. 2084 79

We present a case of a previously healthy 15-year-old girl with fever, right lower quadrant pain, and hip pain. Her history was notable for a recent laparoscopic appendectomy that was complicated by the development of intraabdominal abscesses. She reported normal bowel movements and good appetite on a regular diet, although she did endorse a recent 5-kg weight loss. Further investigation and examination revealed a diagnosis of Crohn's disease with recurrent psoas muscle abscess as the etiology of her pain and fevers. Psoas abscess is a rare complication of Crohn's disease, and vague presenting symptoms may complicate its diagnosis. This case demonstrates the importance of maintaining a broad differential diagnosis when treating a child presenting with abdominal pain and fever.
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PMID:A 15-year-old girl with fever and abdominal pain. 2580 29

Primary neoplasms in the psoas muscle including schwannoma and soft tissue sarcoma with secondary cystic degeneration are rare entities. They are difficult to distinguish from psoas abscess purely based on radiological findings. Malignant fibrous histiocytoma (MFH) in the retroperitoneum is an uncommon entity in contrast to liposarcoma and leiomyosarcoma. Psoas abscess is a common infection in the retroperitoneum, especially in regions where tuberculosis is endemic. In the current case, the patient presented with gradually progressive lower abdominal pain and raised erythrocyte sedimentation rate (ESR), lymphocyte count and sputum positive for acid fast bacilli. There was a presence of previous history of skeletal tuberculosis. Imaging revealed well-defined multilocular cystic lesion involving the left psoas muscle which along with the clinical scenario suggested psoas abscess. However, post-operative biopsy showed the lesion to be a MFH with extensive cystic degeneration. To the best of our knowledge, cystic MFH mimicking an abscess has been previously reported only once in an oncology literature.
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PMID:Retroperitoneal Cystic Malignant Fibrous Histiocytoma Mimicking a Psoas Abscess. 2655 75

Urinary obstruction of the transplanted kidney caused by uterine leiomyoma is an extremely rare condition. To the best of our knowledge, there are only two reports in English literature. Psoas abscess secondary to renal graft pyelonephritis is also uncommon. We present this unusual case and its treatment course. A 43-year-old female presented with renal dysfunction. She was started on peritoneal dialysis from the age of 26 years and received kidney transplantation from her mother (living donor) at the age of 27 years. Computed tomography (CT) revealed right hydronephrosis and a large uterine mass compressing the distal ureter of the transplanted kidney. After a simple total hysterectomy, her renal function improved. Two years following the hysterectomy, she experienced painful urination, fever, right abdominal pain, and right lower limb pain. CT and T2-weighed magnetic resonance imaging of her pelvis demonstrated right psoas abscess in conjunction with transplanted kidney. She was treated with broad-spectrum antibiotics alone, which resulted in a good response. Urinary obstruction of the transplanted kidney caused by uterine leiomyoma is an extremely rare condition. Psoas abscess secondary to transplanted kidney pyelonephritis is also rare. We should keep these rare diseases in mind when treating such cases.
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PMID:Urinary Obstruction of Transplanted Kidney Caused by Uterine Adenomyosis and 2-Year Posthysterectomy Psoas Abscess in Conjunction with Transplanted Kidney. 2809 36