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PubMedDate not supplied

Zoonoses.

Animal-transmitted diseases are remarkable not because they occur frequently but because they are almost always unsuspected and unrecognized. The physician who attends an ill veterinarian or zookeeper will immediately suspect an exotic disease. The pediatrician who attends the child who recently received a puppy for his birthday will not. Our public attitude toward animals as carriers of disease is utterly thoughtless. If a human were to urinate and defecate in the street or park he would be incarcerated without delay. Yet we tolerate and even encourage the same activity in dogs, which are known to carry scores of diseases to humans. Animals as pets are here to stay. Children are their frequent companions. It would serve all those who deal with the medical problems of children to know as much as possible about the diseases carried by animals, for their consequences are quite significant.

Animals↗
PubMed2001

Benign salivary gland disease.

The majority of benign clinical problems that present affect the major salivary glands--parotid and submandibular. However, there are numerous minor salivary glands located in the mucosa of the head and neck which have the same predilection to the same diseases that affect the major glands but to a lesser frequency.

Adult↗
PubMed1977

Ultrasonographic assessment of neck masses.

Fourteen patients are presented to illustrate the usefulness of ultrasonography in assessing masses of the neck. Included are five patients with primary tumors, two with metastasis to a cervical node, three with cervical adenitis, two with simple cysts, and two with hematoma related to endarterectomy for occlusive disease of the carotid artery.

Cat-Scratch Disease↗
PubMed2001

[Bartonella henselae endocarditis. Report of a case and review of the literature].

Bartonella spp are small Gram-negative rods, aerobic and highly fastidious. They are difficult to culture, in the routine bacterial cultures. They are considered as emergent human pathogens. Since 1993, three species of Bartonella (B. quintana, B. henselae, and B. elizabethae) have been described as causative agents of infectious endocarditis. In this paper we describe the case of a 43 year-old woman with a previous valvular heart disease, probably of rheumatic origin, owner of cats, that suffered an infectious endocarditis by Bartonella henselae in the aortic valve. This patient presented IgG titers against B. henselae of 1/4096 and against B. quintana of 1/256. She also had low IgM titers against B. henselae and B. quintana: 1/64 and 1/32, respectively. The patient received antibiotics for 12 weeks and suffered a valvular replacement due to the severe lesion on the aortic valve. On the endocardiac tissue of the removed valve DNA of B. henselae was detected (polymerase chain reaction-based assay). Clinical evolution of the patient was good. Diagnosis of Bartonella spp infection must be considered in every patient with infectious endocarditis and negative blood cultures, and particularly B. henselae in patients with previous valvular heart disease and regular contact with cats.

Adult↗
PubMed1999

Abundant expression of chemokines in malignant and infective human lymphadenopathies.

Lymph nodes can be the primary target of infection or malignant transformation and may exhibit characteristic patterns of leukocyte infiltration analogous to those seen in inflammation of other tissues. Leukocyte migration to lymph nodes in vivo is a highly regulated, multi-step process that depends upon adhesion molecules and as yet, uncharacterized chemotactic signals. Chemokines are a key part of the orchestrated code of signals that directs leukocyte subsets to sites of inflammation or immune response. The potential role of these chemoattractants in selective trafficking of leukocyte subsets into lymph nodes was assessed by determining the expression of chemokines on a range of pathological and normal human lymph nodes and by evaluating the cellular composition of each lymph node. In situ hybridization using chemokine riboprobes and immunohistochemistry using specific antibodies were performed in order to correlate the mRNA and protein expression of the chemokines. The cellular source(s) of each chemokine was assessed by immunohistochemical staining of adjacent sections using antibodies directed against distinctive cellular markers. Substantial, but varied, expression of macrophage inflammatory protein (MIP)-1alpha, MIP-1beta, RANTES, macrophage chemotactic protein (MCP)-1, eotaxin, and interleukin 8 (IL-8) were detected in the pathological lymph nodes by diverse cell types. Control lymph nodes showed expression only of RANTES, mainly by high endothelial venules. In all lymph nodes, except the nodes infiltrated with breast cancer, chemokine mRNA expression was highly concordant with the corresponding protein. In contrast with in vitro studies that have suggested discrete target cell specificity of chemokines, this study showed that with the possible exception of the neutrophil chemoattractant, IL-8, no chemokine appeared to be uniquely associated with the accumulation of a specific leukocyte subset. These data implicate chemokines in the recruitment of leukocytes to lymph nodes affected by diverse disease states.

Antigens, CD↗