Skin symptoms

Xem 1-20 trên 23 kết quả Skin symptoms
  • Sensitive skin is becoming a common clinical condition that dermatologists should be prepared to recognize, understand, and treat. Subjects experiencing this condition report exaggerated reactions when their skin is in contact with cosmetics, soaps, and other substances, and they often report worsening after exposure to dry and cold climates. Sensitive skin and subjective irritation are widespread in western countries, but still far from being completely defined and understood.

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  • Harrison's Internal Medicine Chapter 52. Approach to the Patient with a Skin Disorder APPROACH TO THE PATIENT WITH A SKIN DISORDER: INTRODUCTION The challenge of examining the skin lies in distinguishing normal from abnormal, significant findings from trivial ones, and in integrating pertinent signs and symptoms into an appropriate differential diagnosis. The fact that the largest organ in the body is visible is both an advantage and a disadvantage to those who examine it.

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  • Allergic contact dermatitis (ACD). A. An example of ACD in its acute phase, with sharply demarcated, weeping, eczematous plaques in a perioral distribution. B. ACD in its chronic phase demonstrating an erythematous, lichenified, weeping plaque on skin chronically exposed to nickel in a metal snap. (B, Courtesy of Robert Swerlick, MD; with permission.) As in other branches of medicine, a complete history should be obtained to emphasize the following features: 1. Evolution of lesions a. Site of onset b. Manner in which the eruption progressed or spread c. Duration d.

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  • Drug-induced erythroderma (exfoliative dermatitis) may begin as an exanthematous (morbilliform) eruption (Chap. 56) or may arise as diffuse erythema. A number of drugs can produce an erythroderma, including penicillins, sulfonamides, carbamazepine, phenytoin, gold, allopurinol, and zalcitabine. Fever and peripheral eosinophilia often accompany the eruption, and there may also be facial swelling, hepatitis, and allergic interstitial nephritis; this constellation is frequently referred to as drug reaction with eosinophilia and systemic symptoms (DRESS).

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  • Histologic observations support two mechanisms for permanent hair reduction: miniaturization of coarse hair follicles to vellus-like hair follicles, and destruction of the hair follicle with gran- ulomatous degeneration, leaving a fibrotic remnant. Clinically, both of these mechanisms produced reduction in hair. The study design used a fixed set of fluence-pulse-width combinations in each patient, regard- less of skin type. If skin type and color had been matched to appropriate fluences, the inci- dence of side effects could have been reduced. Epidermal damage was seen in 6% of cases.

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  • To advance economic reconstruction, China requires imported raw materials and intermediate goods, especially those which the country is short of, and finds hard to develop rapidly in the short run. New Zealand is well known in China for its rich resources of wool, forests, coal, wood, pulp, aluminium, and hides and skins. Since demands for these products are increasing in China, these markets provide New Zealand's exporters with a very good opportunity.

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  • During treatments it is important to regularly clean the handpiece. When the hair shaft carbonizes, it leaves debris on the sapphire window. This build up can make it hot and can make it difficult for the laser light to penetrate. Cleaning the ChillTip handpiece with alcohol prevents this barrier from forming. There is a small but real risk of infection because the hand- piece is in direct contact with the skin. Therefore, between patients the handpiece should be disinfected with a liquid disinfectant such as Virex....

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  • Chronic venous disease of the lower limbs is manifested by a range of signs, the most obvious of which are varicose veins and venous ulcers. However, the signs also include edema, venous eczema, hyperpigmentation of skin of the ankle, atrophie blanche (white scar tissue), and lipodermatosclerosis (induration caused by fibrosis of the subcutaneous fat) (Fig. 1). Considerable progress has been made in understanding the mechanisms that underlie these diverse manifestations, in particular the role of inflammation. This article reviews these advances and places them in a clinical context....

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  • The challenge of examining the skin lies in distinguishing normal from abnormal, significant findings from trivial ones, and in integrating pertinent signs and symptoms into an appropriate differential diagnosis. The fact that the largest organ in the body is visible is both an advantage and a disadvantage to those who examine it. It is advantageous because no special instrumentation is necessary and because the skin can be biopsied with little morbidity. However, the casual observer can be misled by a variety of stimuli and overlook important, subtle signs of skin or systemic disease. ...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Lack of Correlation between Severity of Clinical Symptoms, Skin Test Reactivity, and Radioallergosorbent Test Results in Venom-Allergic Patients...

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  • Because there is no clear definition of the asthma phenotype, researchers studying the development of this complex disease turn to characteristics that can be measured objectively, such as atopy (manifested as the presence of positive skin-prick tests or the clinical response to common environmental allergens), airway hyperresponsiveness (the tendency of airways to narrow excessively in response to triggers that have little or no effect in normal individuals), and other measures of allergic sensitization.

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  • This uncommon type of skin cancer develops from neuroendocrine cells (hormone-making cells that resemble nerve cells in some ways) in the skin. They are most often found on the head, neck, and arms but can start anywhere. These cancers are thought to be caused in part by sun exposure and in part by Merkel cell polyomavirus (MCV). About 8 out of 10 Merkel cell carcinomas are thought to be related to MCV infection. MCV is a common virus. Many people are infected with MCV, but it usually causes no symptoms. In a small portion of people with this infection,...

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  • A complete screening medical examination for tuberculosis consists of a medical history, physical examination, chest radiography (CXR, when required), determination of immune response to Mycobacterium tuberculosis antigens (i.e., tuberculin skin testing [TST] or interferon gamma release assay [IGRA], when required), and sputum testing for M. tuberculosis (when required, Figures 1 and 2). Applicants ≥15 years of age require a medical history, physical examination, and CXR.

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  • Thirty years ago when I was a novice home care nurse, I was assigned to Margaret, a 70-year-old woman with terminal liver cancer. She lived with her husband and a disabled son. For five months, I struggled in vain to make her comfortable, to control her pain, to relieve her physical symptoms. I watched her diminish in front of me, her skin breaking down, her eyes glazed with pain, and I felt a growing helplessness. Looking back, I know she sensed my helplessness. I remember walking into her bedroom one day with dread. She was comfortable only in the fetal position on her left side. It was...

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  • The main risks in acute poisoning are: hyperpyrexia, tachycardia, and a rise in the metabolic rate leading to death by cardiac arrest. In chronic exposure, the main riss are: skin, blood, neurological and respiratory disorders, porphyria, non-specific symptoms, and the possibility of cancer.

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  • Monoclonal antibodies are the type of biological therapy used for lymphoma. They are proteins made in the lab that can bind to cancer cells. They help the immune system kill lymphoma cells. People receive this treatment through a vein at the doctor’s office, clinic, or hospital. Flu-like symptoms such as fever, chills, headache, weakness, and nausea may occur. Most side effects are easy to treat. Rarely, a person may have more serious side effects, such as breathing problems, low blood pressure, or severe skin rashes.

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  • The original purpose of the book was to introduce a standard nomenclature of disease names, and the attributes are o r g a n i z e d in conventional medical form: a d e f i n i t i o n consists of a brief d e s c r i p t i o n of the relevant symptoms, signs, laboratory findings, and the like. Each disease is, in addition, assigned to one (or at most two) of eleven disease categories which enumerate p h y s i o l o g i c a l systems (skin, respiratory, cardiovascular, etc.).

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  • Actinic keratosis, also known as solar keratosis, is a pre-cancerous skin condition caused by too much exposure to the sun. Actinic keratoses are usually small (less than 1/4 inch across), rough or scaly spots that may be pink-red or flesh-colored. Usually they develop on the face, ears, backs of the hands, and arms of middle-aged or older people with fair skin, although they can arise on other sun-exposed areas. People with one actinic keratosis usually develop many more. Actinic keratoses tend to grow slowly. They usually do not cause any symptoms.

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  • They observed that the use of well defined symptoms as diagnostic tool, even in resource limited settings, may improve the chances of diagnosing childhood pulmonary tuberculosis. Fourie et al observed some clinical criteria thought to be most relevant as predictors of tuberculosis in children . These criteria include history of contact with a case of tuberculosis, positive skin test, persistent cough, low weight for age, and unexplained/ prolonged fever.

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  • Tuberculosis (TB) is not as common as it was many years ago in the United States; consequently, clinicians do not always consider the possibility of TB disease when evaluating patients who have symptoms. As a result, the diagnosis of TB disease may be delayed or even overlooked, and the patient may remain ill and possibly infectious for a prolonged period. Not all persons with TB disease have symptoms; however, most persons with TB disease have one or more symptoms that lead them to seek medical care. All persons with symptoms of TB disease, or either a positive tuberculin skin test (TST)...

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