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Endovascular infection of atherosclerotic aorta is a rare event in the setting of aged patients with gram negative bacteremia of the salmonella group. Until the beginning of the 60s this meant an ominous diagnosis with an almost unavoidable fatal prognosis. Presently, this trend has been reverted, mostly due to an earlier diagnosis, the development of more sophisticated imaging techniques, the correct use of broad spectrum bactericidal antibiotics and prompt surgical management. Paradoxically, the incidence of arterial infections has increased in recent years, specially in old people with atherosclerotic abdominal aortic aneurysms, in whom infective endocarditis could not be demonstrated. We describe the case of a 65 year old man, with a history of longstanding non-insulin-dependent diabetes, presenting with protracted fever, weight loss and thigh pain. Blood cultures and serologic studies as well as several echocardiograms yielded negative results. An abdominal CT scan showed an infrarenal aortic aneurysm raising the clinical suspicion of arterial infection of abdominal aorta. The patient underwent surgery because of highly presumptive diagnosis of complicated aortic aneurysm. The resection was followed by an in situ graft. There was no evidence of disruption or gross collection. Samples of the aortic wall and perianeurysmatic fluid grew Salmonella enteritides. We describe the main etiopathogenic and clinic features of the entity highlighting the high sensitivity and specificity of the CT scan in the identification and characterization of infected aortic aneurysm. Certain features may firmly suggest this diagnosis without using preoperative aortography.
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PMID:-Prolonged fever syndrome and infection of abdominal aortic aneurysm due to Salmonella enteritidis. 872 76

The patient, a 43-year-old man with insulin-dependent diabetes mellitus, presented four days after sustaining a dog bite on his right hand, complaining of excruciating, intermittent, right thigh pain. He was febrile (temperature, 38.3 degrees C [101 degrees F]) and had a leukocyte count of 27.8 x 10(9) per liter (27,800 per mm3). On physical examination, he had a 2-cm open wound with minimal purulent drainage on the fourth digit of his right hand. He had some limited range of motion of the right hip and focal muscular tenderness in the medial thigh, but no other infectious or neurologic findings. A radiographic evaluation included chest, lumbar, right femur, and pelvic films and a computed tomographic (CT) scan of the abdomen; all were normal. In addition, a nuclear medicine scan showed no signs of infection. A CT scan and a magnetic resonance image (MRI) of the pelvis were done (Figures 1 and 2).
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PMID:Fever, leukocytosis, and referred thigh pain. 877 18

Pyomyositis, an endemic disease of tropical origin, is increasingly reported in temperate zones, especially in patients with diabetes mellitus and in the immunocompromised. A 28-year-old renal transplant recipient presented with perforating skin lesions (Kyrle's disease), thigh pain, and swelling associated with fever. A gallium scan of the thigh led to surgical exploration and a diagnosis of pyomyositis. To our knowledge, the association of Kyrle's disease with pyomyositis has not been reported before. The significance of this combination of conditions in our patient remains unexplained.
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PMID:Pyomyositis in a renal transplant patient with Kyrle's disease. 885 70

A 48-year-old man with a 14-year history of type 2 diabetes with proliferative diabetic retinopathy and distal symmetrical diabetic polyneuropathy visited our hospital. Eight months later, he subacutely developed difficulty in both shoulder movement and trouble standing up from a squatting position. This was accompanied by severe bilateral shoulder and thigh pain. Magnetic resonance imaging of the brain, cervical and lumbar spine, computed tomography of the shoulder and X-ray films of the cervical spine and shoulder revealed no abnormality. Cerebrospinal fluid showed a mild elevation of protein (0.93 g/l) without cell infiltration. Antiganglioside antibodies and point mutation of mitochondrial DNA at position 3243 were not found. Neuropathology of the sural nerve showed a moderate myelinated fiber loss, active axonal degeneration, but onion-bulb formation, endoneurial or epineurial vasculitis were not observed. Electromyography revealed neurogenic changes in the proximal upper limb muscles. Nerve conduction studies revealed mild bilateral slowing in nerve conduction velocity in both of the upper and lower limbs. The diagnosis of this patients was suspected to be a proximal diabetic neuropathy (diabetic amyotrophy). The pain and muscle weakness had persisted more severely in the shoulder than in the thigh throughout the clinical course. His unbearable symptoms could be partially alleviated by an administration of a selective serotonin reuptake inhibitor, fluvoxamine maleate. Proximal diabetic neuropathy is a rare disabling type of neuropathy, which is characterized with subacute bilateral muscle weakness and wasting in the proximal part of the lower limbs. The involvement of the scapulohumeral region observed in this case is very unusual in proximal diabetic neuropathy.
Diabetes Res Clin Pract 2001 Oct
PMID:A suspected case of proximal diabetic neuropathy predominantly presenting with scapulohumeral muscle weakness and deep aching pain. 1153 31

A patient with musculoskeletal melioidosis masquerading as diabetic amyotrophy is described. A 43-year-old man presented with left thigh pain, fever, malaise and loss of weight. He had diabetes mellitus for six years. He was initially diagnosed with diabetic amyotrophy and was treated conservatively. Recurrence of symptoms prompted further investigations which revealed melioidosis of the left femur. Magnetic resonance imaging showed an enhancing subperiosteal collection. The diagnosis was confirmed by open biopsy and tissue culture. Acute treatment consisted of intravenous ceftazidime for 24 days and oral cotrimoxazole. The patient showed marked improvement clinically and biochemically. He was discharged with oral doxycycline and cotrimoxazole for three months. This disease is eminently treatable, but can be a diagnostic challenge when it presents in an uncommon site.
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PMID:Musculoskeletal melioidosis masquerading as diabetic amyotrophy. 1585 93

Diabetic muscle infarction is a rare complication of diabetes mellitus first described in 1965. It typically arises in patients with long-standing diabetes mellitus who have complications of the disease, including nephropathy, retinopathy, and neuropathy. It typically presents with acute onset of thigh pain with an associated palpable tender mass. Recurrent episodes in the same or opposite limb are common. Laboratory evaluation does not generally show any consistent abnormality except for poor glucose control. Histologic features of diabetic muscle infarction consist of large areas of muscle necrosis and edema. Magnetic resonance imaging (MRI) findings in patients without clinical evidence of infection may be typical enough to make tissue biopsy unnecessary. In the appropriate clinical setting, MRI may obviate invasive testing and is the preferred imaging modality. Treatment is supportive with analgesics, rest, and immobilization.
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PMID:Diabetic muscle infarction: a rare complication of advanced diabetes mellitus. 1754 57

Diabetic muscle infarction (DMI) is a rare complication of longstanding, poorly controlled diabetes. Only a few cases have been reported in the literature. The case of a 34-year-old man with a 7-year history of type 2 diabetes mellitus, with sudden onset of left thigh pain, is described here. A final diagnosis of DMI was made, the pathophysiology of which remains unclear. MRI findings were diagnostic and characteristic. The management of this condition is usually symptomatic. Short-term prognosis is very good; however, the recurrence rate is high. Long-term prognosis is poor, with most patients dying from cardiovascular complications of diabetes within 5 years of diagnosis. This case supports the need for a high index of suspicion, when a poorly controlled patient with diabetes presents with non-traumatic limb pain.
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PMID:Diabetic muscle infarction. 1758 55

Diabetic myonecrosis is an uncommon complication of diabetes mellitus. There are fewer than 50 cases reported in the general medical literature. Patients classically complain of the abrupt onset of diffuse anterior thigh pain with no signs of overlying infection or signs of systemic toxicity.Because of the difficulty in diagnosis, most patients endure multiple medical visits until appropriate imaging modalities are obtained. Currently, magnetic resonance imaging (MRI) or tissue biopsy is considered the gold standard for diagnosis. This is the first case reported in the literature of diabetic myonecrosis detected in the ED by bedside ultrasound. We hope that with the continued use of bedside ultrasound, more physicians will be able to determine abnormal tissue architecture allowing for the early detection of diabetic myonecrosis.
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PMID:Bedside ultrasound for the detection of diabetic myonecrosis. 1892 75

Necrotizing fasciitis (NF) is an infection localized at the fascial structures (both the superficial and deep ones) layering the muscles though never affecting them. NF death rate is very high (20-40%). NF can be a post-surgery, traumatic or infective complication and its prognosis quoad vitam is fatal without a timely and correct therapy. A 57-year-old woman was got into observation due to her temperature, left thigh pain, erythema and tumefaction in the left groin-crural seat. She suffered from obesity, insulin-dependent mellitus diabetes and modest but chronic renal failure and ischaemic cardiopathy from previous Acute Myocardial Infarctions. It was then started a wide-spectrum antibiotics therapy. But after just six hours there took place a rapid development of the clinical picture with the appearance of haemorrhagic-content blisters and areas of cutaneous necrosis. The patient therefore underwent-under general anaestesia-multiple incisions in the groin-crural seat and on the ipsilateral thigh. The multiple biopsies carried out during the operation too underwent cultural and histomorphopathological analysis. The anatomic pathological study highlighted the presence of necrosis of the fascia, vascular thrombosis and myonecrosis. The cultural analysis of the tissue biopsies showed a polymicrobial infection. Both the pharmacological therapy and the surgical cleaning were carried out daily but without any improvement of the clinical picture. On the eighth day a worsening of the patient's general conditions took place, with a multiple organ failure determining the patient's exitus.
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PMID:Necrotizing fasciitis. Case report. 1909 34

Diabetic amyotrophy or lombosacral radiculoplexus neuropathy is a rare complication associated with early-stage diabetes. Thigh pain, quadricipital amyotrophy, proximal weakness of lower limbs and weight loss are the main symptoms of the disease. As neurological damage is related to inflammatory microvasculitis, corticosteroid therapy may be considered as the first line therapy. We report a 54-year-old patient with type 2 diabetes affected with severe diabetic amyotrophy. Following intravenous corticosteroid therapy, the patient reported a rapid pain relief and gained muscle strength.
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PMID:[Diabetic amyotrophy: favorable outcome following corticosteroid therapy?]. 2128 93


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