Xem 1-20 trên 30 kết quả Gland disease
  • Thyroid and parathyroid diseases are among the most frequent conditions we have to deal with in a clinical setting. Both nodular and autoimmune diseases affecting these glands have increased remarkably over the past decades. The widespread use of crosssectional imaging and the introduction of neck ultrasonography have led to a thyroid nodule epidemics and the diagnostic of neck lesions in half of the population. Consequently, many patients with microscopic papillary thyroid cancers of uncertain clinical significance are submitted to surgeries that may, perhaps, be unnecessary....

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  • Pathology The noninvasive proliferation of epithelial cells within ducts is termed prostatic intraepithelial neoplasia. PIN is a precursor of cancer, but not all PIN lesions develop into invasive cancers. Of the cancers identified, 95% are adenocarcinomas; the remainder are squamous or transitional cell tumors or, rarely, carcinosarcomas. Metastases to the prostate are rare, but in some cases colon cancers or transitional cell tumors of the bladder invade the gland by direct extension.

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  • Most patients with trichotillomania, pressure-induced alopecia. The most common causes of nonscarring alopecia include telogen effluvium, androgenetic alopecia, alopecia areata, tinea capitis, and some cases of traumatic alopecia (Table 54-5). In women with androgenetic alopecia, an elevation in circulating levels of androgens may be seen as a result of ovarian or adrenal gland dysfunction. When there are signs of virilization, such as a deepened voice and enlarged clitoris, the possibility of an ovarian or adrenal gland tumor should be considered.

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  • Benign Disease Symptoms Benign proliferative disease may produce hesitancy, intermittent voiding, a diminished stream, incomplete emptying, and postvoid leakage. The severity of these symptoms can be quantitated with the self-administered American Urological Association Symptom Index (Table 91-2), although the degree of symptoms does not always relate to gland size. Resistance to urine flow reduces bladder compliance, leading to nocturia, urgency, and, ultimately, urinary retention.

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  • Acne is a disorder of the body’s pilosebaceous units. Each unit consists of a sebaceous gland and a canal or follicle, which is lined with cells called keratinocytes and which contains a fine hair. Most numerous in the skin of the face, upper back, and chest, sebaceous glands manufacture an oily substance called sebum, which is released onto the skin’s surface through the follicle’s opening, or pore. All the constituents of the narrow follicle—the hair, sebum, and keratinocytes—may form a plug that prevents the sebum from reaching the surface of the skin through the pore.

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  • (BQ) Part 2 book "Color atlas of oral diseases" presents the following contents: Autoimmune diseases, skin diseases, precancerous lesions, precancerous conditions, malignant neoplasms, endocrine diseases, diseases of the peripheral nervous, other salivary gland disorders, benign tumors,...

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  • Presti et al. took two extra biopsies laterally on each side at the base and mid gland in addition to the traditional sextant technique in an effort to include more peripheral zone tissue in their sampling (Presti et al., 2000). This produced a 10-core biopsy. They enrolled 483 men with either abnormal DRE or a PSA 4 ng/mL. On analysis of the cancer detection rate from each side, it was discovered that the traditional sextant technique missed 20% of cancers.

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  • There is a great difference between the superficial reading of a film and the proper interpretation of a clinical scintigraphic image by an imaging specialist. Fully utilizing the clinical image, the imaging specialist evaluates both the anatomical and the physiological structure of the human body. First the specialist must appreciate the patient’s clinical problem.Working from this clinical context, he then applies his understanding of the pathophysiological basis of disease and his knowledge of how such pathology may translate into various imaging patterns.

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  • This book brings together core text from the traditional subject areas of oral surgery, oral medicine, oral pathology and radiology to help readers to organise their knowledge in a useful way to solve clinical problems. We believe that this core text of knowledge is essential reading for university final examination success and will also be of help to graduates undertaking vocational training, their trainers and those preparing for postgraduate professional examinations such as MFDS.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Diseases of the salivary glands in infants and adolescents

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  • The thought of mucus disturbs many people. Mucus is beneficial as the first defense of the airways. The mucus lining traps inhaled particles and allows them to be cleared from the airway by cilia and cough. The mucus layer also prevents dehydration and desiccation of the airway surface and provides a nutrient milieu for the ciliated epithelium. Mucus can also be quite bad. Airway mucus retention due to hypersecretion or poor mucus clearance is a characteristic of many airway diseases including cystic fibrosis, chronic bronchitis, bronchiectasis, and asthma.

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  • A risk factor is anything that changes a person's chance of getting a disease such as cancer. Different cancers have different risk factors. For example, unprotected exposure to strong sunlight is a risk factor for skin cancer and smoking is a risk factor for cancers of the lungs, mouth, larynx, esophagus, bladder, and several other organs. Scientists have found few risk factors that make a person more likely to develop adrenal gland tumors. Even if a patient does have one or more risk factors for adrenal gland tumors, it is impossible to know for sure how much that risk factor...

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  • As an endocrinologist, I am very familiar with the importance of the endocrine glands to human functioning. These glands work continuously to maintain the health of all individuals as we move through each and every day of our lives. In fact, when one or more of the endocrine glands malfunction, the person’s entire system is often thrown into disarray. For example, if a person develops Hashimoto’s thyroiditis, an autoimmune disorder that causes hypothyroidism, the person’s once-normal thyroid levels will drop. He or she may become lethargic and show a variety of symptoms.

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  • Triatoma infestans(Hemiptera: Reduviidae) is a hematophagous insect that transmits the protozoan parasite Trypanosoma cruzi, the etiological agent of Chagas’ disease. Its saliva contains trialysin, a protein that forms pores in membranes. Peptides based on the N-terminus of trialysin lyse cells and fold into a-helical amphipathic segments resembling antimicrobial peptides. Using a specific antiserum against trialysin, we show here that trialysin is synthesized as a precursor that is less active than the protein released after saliva secretion. ...

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  • (BQ) Part 1 book "Nutshell series for general surgery" presents the following contents: Basics in general surgery, shock, blood transfusion and organ transplantation, oral cavity, trauma, head and neck (general), salivary glands, thyroid disorders, parathyroids and adrenal glands, breast disorders, diseases of esophagus, stomach and duodenum.

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  • (BQ) Part 2 book "Color atlas of pediatric pathology" presents the following contents: Gastrointestinal tract; liver, biliary tract and pancreas; thyroid, parathyroid and adrenal glands; bone marrow, lymph nodes and thymus; central nervous system and neuromuscular disease.

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  • Animal parts are generally easier to identify than plants but only if they have not been processed. For example, many ingredients such as rhinoceros horn and elephant ivory are obvious if whole but if they are processed into shavings or powder then it is impossible to identify them by eye. For most processed material forensic analysis is probably the only option if the items are not labelled. The types of animal parts to look out for are bones, horns, tusks, gallbladders, shells and fur-covered glands (see section on fakes below).

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  • (BQ) Part 2 book "Escourolle & poirier’s manual of basic neuropathology" presentation of content: Acquired metabolic disorders, hereditary metabolic diseases, congenital malformations and perinatal diseases, pathology of skeletal muscle, pathology of peripheral nerve, diseases of the pituitary gland.

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  • (BQ) Part 1 book "Shafer's textbook of oral pathology" presentation of content: Developmental disturbances of oral and paraoral structures, benign and malignant tumors of the oral cavity, tumors of the salivary glands, cysts and tumors of odontogenic origin, bacterial infections of the oral cavity, viral infections of the oral cavity,... and other contents.

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  • Evaluating the Thyroid Gland and its Diseases section includes useful information into the anatomy and functions of the thyroid gland; the thyroid neoplasm and its most challenging type, the papillary thyroid microcarcinoma; the use and technical peculiarities of thyroglobulin dosages and fine aspiration citology. In addition, important articles approach basic aspects of thyroid carcinogenesis, namely growth factors, angiogenesis, and the importance of estrogen signaling on thyrocyte proliferation....

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