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At least 1,405 records · Page 78Linked to original sources
PubMed2002

Lymphadenopathy at the medial epitrochlear region in cat-scratch disease.

Our objective was to describe the imaging features of lymphadenopathy at the medial epitrochlear region as frequently seen in cat-scratch disease (CSD) and to compare these features with those seen in non-CSD. Ten patients (four males and six females) presented with a subcutaneous soft tissue mass at the medial epitrochlear region. Three patients were younger than 15 years. Magnetic resonance imaging was performed in all patients. All lesions turned out to be regional lymphadenopathy instead of soft tissue neoplasm. They were caused by benign disorders in eight cases, including seven CSD and one other infection, and in two cases by metastatic disease. All lesions, except for three benign ones, were solitary. On MRI, high signal intensity (SI) strands in the surrounding soft tissue on T2-weighted images (WI) were present in all cases. Three cases of CSD showed homogeneous SI on both T1- and T2WI. After contrast administration, a moderate, homogeneous enhancement was seen. The other seven lesions, except for one metastasis, had both solid and liquid components. Liquid components showed high SI on T2WI without enhancement, whereas solid components had intermediate SI on T2WI and marked enhancement after contrast administration. Pathological findings in seven patients, including four with CSD, supported the tentative diagnosis made on MRI. One of two patients with CSD had positive serological test. Cat-scratch disease is a major cause of a soft tissue swelling at the medial epitrochlear region. Identification of lymphadenopathy and its presentation on MRI may be helpful in eliciting an animal-scratch history and achieving diagnostic and therapeutic aims in patients without primary cancer.

Adolescent↗
PubMed2006

Analysis of data in 30 patients with cat scratch disease without lymphadenopathy.

The prominent clinical manifestation of cat scratch disease is regional lymphadenopathy at the site of the cat scratch or bite, associated with fever or general symptoms. A serological study of 540 patients with either lymphadenopathy, persistent fever, or pet ownership disclosed that 30 (16.1%) of the 186 patients with a serological diagnosis of cat scratch disease had no regional lymphadenopathy, and in these 30 patients, the absence of lymphadenopathy was closely related to the presence of persistent fever, fever of unknown origin, or systemic complications. Physicians should be alert to cat scratch disease that is not associated with lymphadenopathy to enable prompt diagnosis and treatment.

Adolescent↗
PubMed2002

Pyomyositis associated with bacillary angiomatosis in a patient with HIV infection.

Bacillary angiomatosis is an opportunistic infection occurring predominantly in patients with HIV infection. The manifestations of this vasculoproliferative disorder vary markedly. Virtually any organ site may be involved, singly or multiply. However cutaneous involvement can be a valuable clue to its diagnosis. We report a case of bacillary angiomatosis in an HIV-infected patient presenting as isolated pyomyositis of the right leg. The rarity of such a presentation and paucity of cutaneous lesions, as in our case, may render timely diagnosis elusive and difficult. Its recognition however, is important since bacillary angiomatosis, if untreated, is potentially fatal.

AIDS-Related Opportunistic Infections↗
PubMedDate not supplied

An unusual presentation of cat scratch encephalitis.

Cat scratch disease is an infectious illness that has been recognized since the 1880s; however, our understanding and knowledge of it is still evolving (1). It was not until 1991 that the etiologic species, Rochalimaea, was finally confirmed (2,3). Only recently have the breadth of its clinical spectrum and the population at risk been appreciated. We now realize that signs and symptoms that had been considered cardinal for diagnosis may be absent. Cat scratch disease was known to afflict primarily children and adolescent; however, the incidence of CSD is increasing in immunocompromised groups, such as AIDS and transplant patients (3,4). The recent discovery of the infectious agent and improved understanding of the disease process have led to new approaches in diagnosis and treatment. We present a report of a patient with cat scratch disease who presented with seizure and altered mental status secondary to encephalitis.

Bartonella henselae↗