Superficial mycoses are the fungal infections of the outermost keratinized layers of the skin or leave a reply cancel reply your email address will not be published. Pityriasis versicolor pityriasis folliculitis seborrhoeic dermatitis. Superficial fungal infections of the hair, skin and nails are a major cause of morbidity in the world, particularly in the tropics, where heat and humidity provide the ideal conditions for the growth of fungi that cause cutaneous infections. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Dizon,md superficial mycoses superficial do not elicit immune response no discomfort. Jul 27, 2012 the efficacy of topical agents in superficial mycoses depends not only on the type of lesion and the actual mechanism of action of the drug, but also on the viscosity, hydrophobicity and acidity of the formulation. 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. Pathogens responsible for skin mycoses are primarily anthropophilic and zoophilic dermatophytes from the genera trichophyton t. Malassezia furfur lipophilic yeast found as a normal flora on the skin diseases. Mycoses that penetrate the epidermis and the dermis to infect deeper tissues are called subcutaneous mycoses. These are chronic, localized infections of the skin and subcutaneous tissue following the traumatic implantation of the aetiologic agent. A 40year retrospective study on the genomic variability of strains, doi. Included in this group are erythrasma, tinea barbae, tinea capitis, tinea corporis, tinea cruris, tinea favosa, tinea pedis, tinea unguium, and trichomycosis axillaris.
Tnmb staging of mycosis fungoides 25 skin t 1 patches, papules or plaques covering skin surface t 2 patches, papules or plaques covering 10% of the skin surface t 3 tumours t 4 generalized erythroderma lymph nodes n 0 no clinically abnormal lymph nodes. Used offlabel for the treatment of onychomycosis, dermatophytosis tinea pedis corporis 150 mgweek for 23 weeks, and tinea capitis cruris the same dose for 46 weeks, chronic mucocutaneous candidiasis and pityriasis versicolor 400 mg single dose. Dermatophytes, or more properly, keratinophilic fungi, produce extracellular enzymes keratinases which are capable of hydrolyzing keratin. You determine that it could be a fungal infection and take a sample to inspect under a microscope. To date no single therapeutic agent has been universally accepted. Request pdf superficial mycoses in dogs and cats dermatophytosis, malassezia otitis and dermatitis represent the superficial mycoses with greatest.
No host cellular inflammatory response due to organisms being remote from living tissue. Soil the fungi invade only the dead, cornified layers of the skin, nails and hair. Discussion here will be restricted to fungal mycetoma or eumycetoma. Pityriasis versicolor malassezia furfur pityrosporum orbiculare.
Mycetoma clincal syndrome of localized, indolent, deforming, swollen lesions and sinuses, involving cutaneous and subcutaneous tissues, fascia, and bone. The dermatophytes are confined to grow on the nonliving outer layers of the skin stratum corneum, and only exceptionally invade living tissue. The high prevalence of superficial mycotic infections shows that 2025% of the worlds population has skin mycoses, making these one of the most frequent forms of infection. The superficial cutaneous mycoses are usually confined to the outer layers of skin, hair, and nails, and do not invade living tissues. Unlike superficial mycoses, dermatophyte infections can be itchy, inflammatory, and affect the smooth skin, hair, and nails. Fungal skin infections are categorized into superficial and deep, with superficial infections defined as those limited to the stratum corneum of the epidermis, or to the hair and nails. The fungal organisms are the dark staining, thick, quasilinear objects below with skin surface. Superficial mycosessuperficial mycoses dermatophytesdermatophytes skin plantsskin plants 2.
Superficial fungal infections, also called dermatophytosis, are confined to the skin and are caused by microsporum, trichophyton, or epidermophyton. Malassezia furfur exophiala werneckii trichosporon beigelii piedraia hortae 7. The causative fungi are all soil saprophytes of regional epidemiology whose ability to adapt to the tissue environment and elicit disease is extremely variable. These are superficial cosmetic fungal infections of the skin or hair shaft. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Human infectious diseases caused by fungi classified.
Subcutaneous mycosis presenting as a non healing left. Medical research institute, alexandria university, alexandria, egypt. Aug 24, 20 superficial mycoses are the fungal infections of the outermost keratinized layers of the skin or leave a reply cancel reply your email address will not be published. In the right circumstances the fungi enter the body via the lungs, through the gut, paranasal sinuses or skin. Whereas cutaneous mycoses are superficial, subcutaneous mycoses can spread from the skin to deeper tissues. An increase in the prevalence of opportunistic or deep mycosis is attributable to. The net effect of damage to the skin from cmi is that lateral spread of the colony is abruptly halted and within onetwo weeks the pathogen can no longer be recovered from the lesion. The fungi can then spread via the bloodstream to multiple organs including the skin, often causing multiple organs to fail and eventually resulting in the death of the. These diseases are restricted to the keratinized layers of the skin, hair, and nails. Skin manifestations of systemic mycoses dermnet nz. Tinea ringworm prefix used with the infected area of the body to indicate a cutaneous mycosis 39.
No living tissue is invaded, however a variety of pathological changes occur in the host because of the presence of the infectious agent and its metabolic products. Some features of the important fungal diseases are described in table 481. The superficial mycoses are located to the outer surface of the hair and skin and in this subcategory can be found a basidiomycota type of yeast, called trichosporon cutaneum and the ascomycota. Pdf superficial cutaneous mycoses among a geriatric. 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. Superficial confined to the outermost layers of the skin and hair. Dizon,md superficial mycoses superficial do not elicit immune response no discomfort cosmetic problems limited to stratum. Superficial or cutaneous mycoses are fungal diseases that are confined to the outer layers of the skin, nail, or hair, keratinized layers, rarely invading the deeper tissue or viscera, without inducing a cellular response from the host. Find powerpoint presentations and slides using the power of, find free presentations research about superficial mycoses ppt.
The outward growth of the epidermis, which may be accelerated by the inflammation, probably aids. Classification of subcutaneous and systemic mycoses. Ppt superficial mycoses powerpoint presentation free. Request pdf superficial mycoses in dogs and cats dermatophytosis, malassezia otitis and dermatitis represent the superficial mycoses with greatest significance in dogs and cats. Superficial, cutaneous, and subcutaneous mycoses superficial mycoses include the following disease classifications. Superficial mycoses associated with diaper dermatitis pdf. Systemic mycoses are fungal infections affecting internal organs.
Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. Mycopathologia superficial mycoses associated with diaper dermatitis 0 r. No living tissue is invaded and there is no cellular response from the host. A free powerpoint ppt presentation displayed as a flash slide show on id. These are antibiotic or chemotherapeutic substances that act directly or indirectly on fungi and thus are of therapeutic use in mycoses. Original article superficial mycoses david taplin, departments of dermatology and epidemiology and public health, university of miami school of medicine, miami, florida, u. These infections are often so innocuous that patients are often unaware of their condition. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Superficial cutaneous mycoses among a geriatric population from tunja. Classification of subcutaneous and systemic mycoses roberto arenas, mda. Superficial candidiasis defined as an infection of the cutaneous or mucosal epithelium by candida species types of infections. 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.
Regardless of the type of formulation, topical agents penetration in hyperkeratotic lesions is often precarious. Superficial and cutaneous mycology quiz 1 during an office visit you notice a brown spot on the bottom of your patients foot. Cutaneous mycoses are the diseases caused by fungi and involving the skin, hair and nails. They are different from superficial mycoses as evoke cellular immune response. Cutaneous mycoses extend deeper into the epidermis, and also include invasive hair and nail diseases. Superficial mycosis definition of superficial mycosis by. Systemic mycosis free download as powerpoint presentation. These infections are rare, lifethreatening, and more prone to occur in immunocompromised patients. View and download powerpoint presentations on superficial mycoses ppt. Examples of dermatomycoses are tinea and cutaneous candidiasis. Medical mycoses can be divided into four categories. Cutaneous onychomycosis, intertrigo, and interdigitalis blastomycetica superficial oropharyngeal, vaginal, balantis, chronic mucocutaneous. Subcutaneous mycoses mycetoma clincal syndrome of localized, indolent, deforming, swollen lesions and sinuses, involving cutaneous and subcutaneous tissues, fascia, and bone. Subcutaneous, cutaneous, superficial mycoses lecturio.
Departments of dermatology and epidemiology and public health, university of miami school of medicine miami florida u. White piedra superficial do not elicit immune response no discomfort cosmetic problems limited to stratum corneum. Multiple choice questions on superficial and cutaneous fungal infections 1 all of the following are examples of superficial mycoses, except. Twentyfive years ago many of the topical remedies for superficial mycoses were irritating. Mycoses that spread throughout the body are called systemic mycoses. Unlike the superficial mycoses, host immune responses may be evoked resulting in pathologic changes expressed in the deeper layers of the skin. In part, this can be attributed to lack of knowledge of the mechanisms and requirements of jgrowth of these fungi. Cutaneous and subcutaneous mycoses are discussed in this chapter, and important features of the causative organisms are described in table 482. Thallospore spore formed by a change in portions of the thallus 37. The superficial mycoses are usually limited to the outermost layers of the skin, hair, and nails, and do not invade living tissues. Superficial and cutaneous mycoses superficial and cutaneous mycoses eva l. Superficial mycosis an overview sciencedirect topics. Epidemiological trends in skin mycoses worldwide havlickova.
These are superficial fungal infections of the skin, hair or nails. The treatment of cutaneous mycoses pdf free download. Topographic grouping classification as to type of mycoses produced. Dizon,md superficial mycoses limited to the outermost layer of the skin 4 infections 1.
Mycoses that cause superficial infections of the epidermis, hair, and nails, are called cutaneous mycoses. The superficial mycoses are located to the outer surface of the hair and skin and in this subcategory can be found a basidiomycota type of yeast. Disease course in the past mycosis fungoides has been. Ppt superficial mycoses powerpoint presentation free to. The three most common types of superficial mycoses are dermatophytosis, diseases caused by malassezia and superficial candidiasis, while the least common are. Infectious disease a dermatomycosis is a skin disease caused by a fungus. Twentyfive years ago many of the topical remedies for superficial mycoses.