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[Bone echinococcosis. Apropos of a case of hydatid cyst of the spine].

The authors report a case of hydatid cyst of the vertebral column (L2-L3) simulating an acute abdominal syndrome with pain in the right iliac fossa. On exploration of the abdominal cavity, they detected the presence of a fluctuating retroperitoneal collection of fluid due to the migration of a hydatid abscess into the sheath of the right psoas muscle. Three surgical operations of curetage followed by wide drainage were carried out with simple operative sequelae.

Adult↗

[Brucellar spinal abscess. Case report]

Brucellosis is a zoonosis commonly present in many areas of the world; in some Mediterranean countries it is endemic. The disease is usually transmitted to humans by ingestion of contaminated food; rarely it may be transmitted either by direct penetration through skin lesions or conjunctival mucosa or even by inhalation of aerosols. The disease may be asymptomatic, but in some occasions acute or chronic symptoms are present. Among localised forms of the disease spinal involvement is rare but it should be suspected in many Mediterranean areas where brucellosis is endemic. In particular, the extension of the brucellar abscess within the epidural space with contemporaneous muscular involvement is unusual. The authors report a case of a patient with multiple spinal brucellar abscesses of exceptional dimensions, extending in the epidural space and within paravertebral and psoas muscles and causing compression of the lumbar nerve roots. The exact localisation and extension of the abscess have been accurately defined by MRI.

Journal Article↗

Appendicitis presenting as a swollen thigh.

A case of acute appendicitis presenting as an abscess in the thigh with associated gas is described. The tracking of the pus down the psoas muscle is stressed, and its association with the psoas sign is noted.

Abscess↗

[Candida albicans spondylitis: successful treatment with fluconazole. 2 case reports].

Two patients suffering from candida albicans spondylitis in the lumbar spine are reported. Both had been operated on because of malignancy. One patient's clinical course was complicated by candida septicemia, and later on, serious candida endophthalmia developed. Conventional X-rays, combined with technetium scintigraphy, showed inflammatory destruction of the end plates of neighbouring vertebrae. Computerized tomography was done in the second patient, when an abscess was detected on both sides in the psoas muscle. Consecutively, operative removal and a spondylodesis were performed. Candida albicans could be isolated from removed discal material. Treatment by fluconazole for six months, in the first case in the beginning also by amphotericin B, lead to the healing of fungal spondylitis, accompanied by partial osseous consolidation.

Aged↗

[Clinical aspects and management of a retroperitoneal abscess].

14 patients with retroperitoneal abscess have been collected by the authors since June 1, 1988. The retroperitoneal abscess of multifactorial origin can be considered as a secondary disease. The physical clinical signs (e.g. psoas rigidity sign, palpable mass, costolumbal sensitivity) play central role in setting up of diagnosis, and these signs were present in more than 75% of the cases. The physical signs generally indicate advanced retroperitoneal abscess, and at the same time the contour of psoas muscle disappears and concavity of lumbal vertebras can be seen on plane abdominal X ray film. The exact diagnosis was achieved in mean 45 days after the on set of complaints, this fact urges, that the up-to-date imaging modalities (US, CT, NMR) should be applied earlier in septic conditions of unknown origin. Retroperitoneal surgical intervention was performed in their patients, in the future the percutaneous drainage procedure has to be considered as first intervention for retroperitoneal abscess. Retroperitoneal abscess secondary to malignant disease has unfavorable prognosis, 2 out of 14 patients with retroperitoneal abscess died, both of them had underlying malignancy.

Abscess↗

Obturator internus muscle abscess in children: report of seven cases and review.

Obturator internus muscle (OIM) abscess is an uncommon entity often mistaken for septic arthritis of the hip. We describe seven children with OIM abscess and review seven previously reported cases. The most common presenting symptoms were hip or thigh pain (14 patients), fever (13), and limp (13). The hip was flexed, abducted, and externally rotated in 11 patients. Magnetic resonance imaging and computed tomography (CT) were diagnostic for OIM abscess in the 14 patients. Associated abscesses were located in the obturator externus muscle (5 patients), psoas muscle (2), and iliac muscle (1). The etiologic agents were Staphylococcus aureus (8 patients), Streptococcus pyogenes (2), Neisseria gonorrhoeae (2), and Enterococcus faecalis (1). Three patients underwent CT-guided percutaneous drainage, and three had surgical drainage. Three patients had ischial osteomyelitis in addition to OIM abscess. The 11 children with uncomplicated OIM abscess were treated for a median of 28 days. All patients had an uneventful recovery.

Abscess↗

Ultrasonic evaluation of intra-abdominal abscesses.

This study describes the role of ultrasound in the evaluation of abdominal abscesses in children. A total of 41 abscesses were encountered in 36 patients (21 boys and 15 girls). The youngest patient was 1-month-old. Abscesses were localised at various sites (hepatic, renal, perirenal, paracolic, appendicular, pelvic, psoas, subphrenic, parietal), and of varied sonographic patterns (complex, anechoic, hypoechoic and containing uniform low level echoes). Most of them had irregular walls.

Abdomen↗

[Retroperitoneal hematoma secondary to traumatic rupture of the psoas muscle].

Rupturing of the psoas muscle by closed injury as a result of the formation of a retroperitoneal hematoma is a very uncommon pathological entity, which may rise problems of differential diagnosis with kidney lesions. Supplementary explorations do not always clear up diagnostic doubts, and it is surgery, if indicated, that confirms the picture. We present a case of retroperitoneal hematoma of traumatic origin in a one-kidney ipsilateral patient, in whom the abdominal CAT revealed affection of the renal capsule associated with rupture of teh psoas. In the surgery carried out due to formation of an abscess in the hematoma we verified that the kidney was undamaged.

Adult↗

A case of fungal sepsis due to aspergillus spondylitis followed by cytomegalovirus infection in a renal transplant recipient.

UNLABELLED: Although advances in immunosuppressive therapy have led to increased survival of renal transplant recipients, there are greater risks of developing infectious complications. Because of its rarity and the lack of medical awareness, aspergillus spondylitis is often misdiagnosed as tuberculous spondylitis, especially in its early stages. We report a case of aspergillus spondylitis in a renal transplant followed by cytomegalovirus (CMV) retinitis. CASE: A 59-year-old woman was admitted due to general weakness and abdominal discomfort. She had undergone renal transplantation 3 years previously. One month before admission, she was diagnosed with CMV retinitis and treated with IV ganciclovir. On admission, she suffered from lower abdominal pain. Colonoscopy revealed multiple circular or patchy ulcers with surrounding severe mucosal edema in the sigmoid colon findings consistent with intestinal tuberculosis. On hospital day 30, she complained of lower extremity paresthesia and weakness. An MRI of the spine revealed a well-demarcated paraspinal mass around the L2-4 body; tuberculous spondylitis was initially considered. But despite antituberculosis medication, the patient progressed to spastic paraparesis and sensory changes in both lower legs, requiring urgent surgical decompression. At hospital day 60, she suffered persistent fever and developed thrombocytopenia. Wound discharge continued and paraparesis became denser. A CT of the spine showed progression of the paraspinal abscess from the L2 body to the iliac crest. CT-guided psoas muscle drainage was performed. Fungal culture showed Aspergillus species. Despite antifungal therapy, the patient died after a prolonged hospital stay due to fungal sepsis and septic shock from aspergillosis.

Aspergillosis↗

[Tuberculosis of the spine in children. Personal experience].

We are currently witnessing a worldwide return of tuberculosis. An extremely rare form is tuberculosis of the spine which is reported above all in extra-European studies. The authors report a case of Pott's disease in a child aged 3 years and 3 months who was referred to their attention due to the appearance of left inguinal swelling, fever and anemia. Diagnostic tests (ETG, CT, MR) showed an abscess involving the L5-S1 intersomatic space, the intervertebral disc and osteolytic lesions of S1, with impairment of the left psoas muscle and diffusion as far as the inguinal region. Chemotherapy was commenced using isoniazid, ethambutol, rifampicin, and streptomycin and lasted 24 months associated with drainage of the ileopsoas abscess. Conservative orthopedic treatment lasting for one year initially took the form of decubitus in bed with hyperdistension of the vertebral column, followed by the creation of a plaster-cast cot on the back and lastly a glass-reinforced resin orthopedic jacket. The follow-up of 2 years and 10 months showed recovery with reconstruction of the vertebral elements and the preservation of intervertebral space.

Abscess↗

Dorsolumbar junction spinal tuberculosis in an infant: case report.

The treatment of spinal tuberculosis is a challenging and controversial problem. The authors present the rare case of an 8-month-old infant with dorsolumbar junction tuberculosis. The child did not sit or stand and a hump was noted on his back. Radiological evaluations demonstrated destruction by a tuberculous abscess of the T-12 and L-1 vertebral bodies, extending into the psoas muscles and spinal canal. In addition to medical therapy, radical debridement and grafting were performed via an anterolateral approach. The follow-up period was 2 years. The difficulties in the management of spinal tuberculosis in infants are discussed.

Bone Transplantation↗

Retroperitoneal processes involving the psoas demonstrated by computed tomography.

Twenty-five patients were found to have retroperitoneal pathology involving the psoas muscle including nine patients with inflammatory lesions, three with hematomas, seven with adenopathy, one patient with leukemic infiltration of the psoas, and five with retroperitoneal tumors. Computed tomography (CT) offers a unique method to investigate pathological processes that affect the psoas. In addition, the abdominal films on 24 of the patients were analyzed to correlate the value of radiography with that of CT. Computed tomography confirms the belief that the mere presence of a retroperitoneal mass will not necessarily obliterate the psoas.

Abscess↗

Giant abdominal wall abscess dissecting into thorax as a complication of ESWL.

Abscess as a complication of extracorporeal shock wave lithotripsy is a rare condition. We present the computed tomography findings of an abdominal wall abscess that occurred after extracorporeal shock wave lithotripsy for which prophylactic antibiotics had not been given. The abscess destroyed the posterior abdominal wall muscles and dissected into the thorax. The muscles were thickened and showed enhancement. A parenchymal defect in the right kidney adjacent to a caliceal stone, with strands extending from this defective region to the abscess, was observed, and was thought to be the result of parenchymal destruction caused by the shock waves. Other parts of the kidney and psoas muscle were normal. Microbiologic examination revealed Escherichia coli.

Abdominal Abscess↗

Extensive retroperitoneal and right thigh abscess in a patient with ruptured retrocecal appendicitis: an extremely fulminant form of a common disease.

As a disease commonly encountered in daily practice, acute appendicitis is usually diagnosed and managed easily with a low mortality and morbidity rate. However, acute appendicitis may occasionally become extraordinarily complicated and life threatening. A 56-year-old man, healthy prior to this admission, was brought to the hospital due to spiking high fever, poor appetite, dysuria, progressive right flank and painful swelling of the thigh for 3 d. Significant inflammatory change of soft tissue was noted, involving the entire right trunk from the subcostal margin to the knee joint. Painful disability of the right lower extremity and apparent signs of peritonitis at the right lower abdomen were disclosed. Laboratory results revealed leukocytosis and an elevated C-reactive protein level. Abdominal CT revealed several communicated gas-containing abscesses at the right retroperitoneal region with mass effect, pushing the duodenum and the pancreatic head upward, compressing and encasing inferior vena cava, destroying psoas muscle and dissecting downward into the right thigh. Laparotomy and right thigh exploration were performed immediately and about 500 mL of frank pus was drained. A ruptured retrocecal appendix was the cause of the abscess. The patient fully recovered at the end of the third post-operation week. This case reminds us that acute appendicitis should be treated carefully on an emergency basis to avoid serious complications. CT scan is the diagnostic tool of choice, with rapid evaluation followed by adequate drainage as the key to the survival of the patient.

Abscess↗

Unusual presentation of B-cell lymphoma as a cutaneous abscess.

Cutaneous abscesses can result from many conditions and are primarily managed with incision, drainage and antibiotics, without the need for extensive diagnostic workup. We herein report a case of a B-cell lymphoma manifesting as an abscess on the back of a 67-year-old female. Standard therapies failed to improve her condition, and, by the time of tissue diagnosis, a greater than palm-sized necrotic ulcer eroding through skin and fat, and into the psoas muscle had developed. Primary or secondary cutaneous B-cell lymphomas almost never lead to tissue necrosis but should be entertained in cases of abscesses or ulcers with unusual presentation.

Abscess↗

Psoas disease causing a characteristic change in the ultrasonographic appearance of the psoas compartment.

Twenty patients with ultrasonographic evidence of disease involving the psoas compartment were analysed retrospectively. The abnormality found was a mass lesion in the psoas muscle with increased or decreased echogenicity and a characteristic loss of the normal appearance of striated homogeneous bundles. Those examined included eight patients with abscesses, six with hematomas and six with tumor infiltration. All the abscesses were echopoor and showed absence of the normal appearance of the muscle. Such findings are non-specific because of the similar appearance of non-organized hematomas or lymphomatous infiltration. Organized hematomas and primary retroperitoneal tumors were echogenic but with loss of the normal appearance. Ultrasound guided needle aspiration is sometimes necessary to complete the diagnosis and may be a definitive strategy. We recommend ultrasonography for use in detecting psoas disease when appropriate clinical signs are present.

Abscess↗