Tinea nigra is a superficial dermatophyte infection that may mimic acral lentiginous melanoma. The gout eraser is a short, to the point guide on how to reverse gout symptoms without ever leaving your home. Superficial mycosis free download as powerpoint presentation. The etiologic agents of dermatophytosis are classified, along with some nonpathogenic relatives, in the anamorphic genera trichophyton, microsporum, and epidermophyton. Pdf superficial mycoses in relation to age and gender.
Secrete keratinase, an enzyme that degrades keratin. In routine clinical practice, the treatment of superficial mycoses with antifungals differs from that of infections treated with antibiotic therapy in that susceptibility testing is only useful in infections caused by candida organisms. Some features of the important fungal diseases are described in table 481. Update on the treatment of superficial mycoses sciencedirect. Inhalation of fungal spores or localized colonization of the skin may initiate persistent infections. The clinical presentation is variable depending upon several factors, including the site of infection, the species of the fungus, the hosts response and the. Superficial mycosessuperficial mycoses dermatophytesdermatophytes skin plantsskin plants 2. Ppt superficial mycoses powerpoint presentation, free. Superficial mycosis in pediatrics international journal of infectious. No living tissue is invaded and there is no cellular response from the host. Superficial do not elicit immune response no discomfort cosmetic problems limited to stratum corneum. Causative fungi colonizes only cornified layer of epidermis supra follicular portion of hair and do not penetrate into deeper anatomical site. Mycoses are among the most difficult diseases to heal fungi can often resist the oxidative damage of t cells during cellmediated immune responses fungi are biochemically similar to human cells and.
Discussion here will be restricted to fungal mycetoma or eumycetoma. Organism remote from living tissue primarily in the stratum corneum compact dead layer of skin. Granulomatous response occurs at the site of infection. The recorded connections between the teleomorphic sexual and anamorphic asexual states of the dermatophytes as well as the dermatophytoids are discussed in this chapter. The infection is usually confined to subcutaneous tissues, and only rarely causes systemic disease. Mycosesstatecollapsed to show the template collapsed, i. Mycology textbooks state that systemic mycoses are caused by dimorphic fungi and separate them from diseases caused by yeasts candida spp, cryptococcus spp, regardless of the immune status of the patient. Ectothrixic ability of the fungus to grow on the outside of a hair shaft. In humans the most common mycotic infections in humans are dermatomycoses. These are superficial cosmetic fungal infections of the skin or hair shaft. Mycosis is a fungal infection of animals, including humans. Only the dead outer layer of these tissues is invaded. To download above files first click on the topic name. Causes hair to break off due to keratinolytic activity.
Scribd is the worlds largest social reading and publishing site. Mycoses are common and a variety of environmental and physiological conditions can contribute to the development of fungal diseases. These infections are often so innocuous that patients are often unaware of their condition. Most of the causative agents reside in soil and vegetation. Worldwide distribution, but more common in tropical regions of central and south america, africa, southeast asia and australia. Dizon,md superficial mycoses superficial do not elicit immune response no discomfort cosmetic problems limited to stratum. Of the 2184 pupils sampled randomly from four schools, 144 6. These are superficial fungal infections of the skin, hair or nails.
Subcutaneous mycoses mycetoma clincal syndrome of localized, indolent, deforming, swollen lesions and sinuses, involving cutaneous and subcutaneous tissues, fascia, and bone. Causative fungi colonizes only cornified layer of epidermis supra follicular portion of hair and do. Superficial mycoses free download as powerpoint presentation. Mycosis, plural mycoses, in humans and domestic animals, a disease caused by any fungus that invades the tissues, causing superficial, subcutaneous, or systemic disease. Ppt superficial and cutaneous mycoses powerpoint presentation. Superficial fungal infection fitzpatricks dermatology. Find powerpoint presentations and slides using the power of, find free presentations research about superficial mycoses ppt. Kasper d, fauci a, hauser s, longo d, jameson j, loscalzo j eds. Cutaneous and subcutaneous mycoses are discussed in this chapter, and important features of the causative organisms are described in table 482. In temperate regions, the most common subcutaneous mycosis is a condition called sporotrichosis, caused by the fungus sporothrix schenkii and commonly known as rose gardeners disease or rose thorn disease recall every rose has its. Medical mycoses can be divided into four categories. Cellular response of host usually absent no pathology elicited by fungus. Mycoses diseases of humans and animals that are caused by parasitic fungi.
How the skin works animation structure and function of the human skin video skin layers anatomy duration. Superficial mycosis these are strictly surface infection involving skin,hair, nail and mucous membrane. Superficial mycosessuperficial mycoses the superficial mycoses are usuallythe superficial mycoses are usually confined to the outermost layer of skin,confined to the outermost layer of skin, hair and do not invade living tissues. An example of such a fungal infection is tinea versicolor effect specially chest,back,and upper arms and legs. Found on upper back, shoulders, upper arms, chest and abdomen lesions are hypo or hyper pigmented, scaly and itchy. Fungi penetrate the skin, hair and nails and grow as branching filaments or hyphae. Superficial dermatophytoses cutaneous infections caused by nondermatophytic fungi cutaneous candidiasis superficial infections defined as fungal infections of the skin and hair that invade only the most superficial. Mycoses article about mycoses by the free dictionary. Diphasic dimorphic the ability of some fungi to grow as either yeast or filamentous stages, depending on conditions of growth. These terms include, therefore, all cutaneous and mucocutaneous fungal infections. Ppt superficial mycoses powerpoint presentation free.
The guide goes into extensive detail on exactly what you need to do to safely, effectively and permanently get rid of gout, and you are guaranteed to see dramatic improvements in days if not hours. Subcutaneous mycoses are caused by accidental subcutaneous inoculation of causative fungi. Ppt dermatophytosis and superficial mycoses powerpoint presentation free to view id. A superficial fungal infection of skin characterised by brown to black macules which usually occur on the palmar aspects of hands and occasionally the plantar and other surfaces of the skin. No cellular immune response is elicited and minimal humoral host response is observed. Harrisons principles of internal medicine, 19e kasper d, fauci a, hauser s, longo d, jameson j, loscalzo j. Cutaneoussubcutaneous mycoses enter the skin and cutaneous tissue usually in a traumatized area such as a wound. Mycoses are classified according to the tissue levels initially colonized.
Choose from 500 different sets of mycoses superficial cutaneous flashcards on quizlet. Superficial mycoses lecture no 4 ppt video online download. Classification of subcutaneous and systemic mycoses. Pityriasis versicolor malassezia furfur pityrosporum orbiculare. Included in this group are erythrasma, tinea barbae, tinea capitis, tinea corporis, tinea cruris, tinea favosa, tinea pedis, tinea unguium, and trichomycosis axillaris. In canada the most common superficial mycoses are dermatophytosis or ringworm, tinea versicolor, and moniliasis. Superficial mycoses dermatophytosis pityriasis versicolor keratomycosis tinea nigra black piedra white piedra.
Mycosesstateexpanded to show the template expanded, i. Superficial, cutaneous, and subcutaneous mycoses superficial mycoses include the following disease classifications. Ppt dermatophytosis and superficial mycoses powerpoint. Superficial mycoses pityriasis versicolor tinea nigra black piedra white piedra keratomycosis 11242012 dr. Superficial mycoses are the most common fungal infections. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. And your testing could come with an interpretation report. Dermatophytosistinea ringworm infection of the skin, hair or nails caused by a group of keratinophilic fungi, called dermatophytes microsporumhair, skin epidermophytonskin, nail trichophytonhair, skin. In the superficial fungal infections, the skin and its appendages are solely or predominantly involved, and each pathogenic fungus produces a more or less distinctive clinical pattern.
Whereas cutaneous mycoses are superficial, subcutaneous mycoses can spread from the skin to deeper tissues. Limited to the outermost layer of the skin 4 infections 1. Superficial mycoses are the fungal infections of the outermost keratinized layers of the skin or hair shaft, resulting in essentially no pathological changes. Learn mycoses superficial cutaneous with free interactive flashcards. A total of 1239 patients with suspected superficial mycoses. Infection is insignificant and ignored by bodies defenses. Superficial fungal infections, also called dermatophytosis, are confined to the skin and are caused by microsporum, trichophyton, or epidermophyton. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Endothrixic ability of the fungus to grow and penetrate into the hair. This page covers an area of mycology which is more immediately interesting to most people.
Is a chronic superficial skin infection infecting the stratum corneum. Dermatophytosis pityriasis versicolor keratomycosis tinea nigra black piedra white piedra. View and download powerpoint presentations on superficial mycoses ppt. Some mycoses affect only humans and are transmitted from man to man or through infected utensils and apparel. Nonspecific chronic ulceration of the buccal mucosa due to cryptococcosis. View and download powerpoint presentations on dermatophytosis ppt. These are antibiotic or chemotherapeutic substances that act directly or indirectly on fungi and thus are of therapeutic use in mycoses. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. A free powerpoint ppt presentation displayed as a flash slide show on id. The following points highlight the top two groups of mycoses diseases caused by fungi. In the present study the terms superficial mycoses and dermatomycoses are used as equivalents. The focus of this chapter is the superficial mycoses and their patterns of integumentary. Other mycotic infections are transmitted to humans by animals. The superficial mycoses are usually limited to the outermost layers of the skin, hair, and nails, and do not invade living tissues.
Infection is transmitted by direct contact or contact with infected hair hair salon or cells nail files, shower floors. Well beat any competitors price in texas in a rush samenight turnaround. Ppt dermatophytes superficial mycoses powerpoint presentation free to download id. Mycology powerpoint presentations medical life end. Superficial mycoses systemic fungal infections normally are confined to the keratinized layer of the skin and its appendages 3. Superficial mycoses and less common systemic mycoses. Superficial mycosis definition of superficial mycosis by. Find powerpoint presentations and slides using the power of, find free presentations research about dermatophytosis ppt.