Saturday, 26 January 2008

PEI SHAN - Fungal pathogens 2nd post

Most possible fungal agents that might be encountered by the soldiers - Beware!!!

1. Dermatophytes

Epidermophyton floccosum
Image from:


Microsporum fulvum
Image from:


Trichophyton concentricum
Image from:

T. mentagrophytes var. interdigitale
Image from:

Trichophyton rubrum downy strain
Image from:

Characteristics: Filamentous fungi invading surface keratinized structures e.g. skin, hair, nails. Hyphae penetrate between cells. (1)

Disease: Tinea (fungal infection), ringowrm, athlete's foot

Transmission: By fungal material on skin scales

Pathogenesis: Skin inflammation, pruritus - sometimes localized hypersensitivity reactions. (1)

Treatment: Topical antifungal agents (griseofulvin)

Prevention: Improved skin care and hygiene

2. Yeasts
Candida Albicans

Candida albicans
Image from:

Characteristics: Dimorphic fungus - occurs as yeast on mucosal surfaces as component of normal flora but forms hyphae when invasive. Produces opportunistic infections in stressed, suppressed and antibiotic0treated individuals. (1)

Disease: Candidiasis, thrush

Transmission: Part of normal flora of skin, mouth and intestine

Pathogenesis: Localised mucocutaneous lesions; invasion of all major organs in disseminated condition (1)

Treatment: Oral and topical antifungals e.g. nystatin, miconazole.

3. Blastomyces Dermatitidis

Image from:

Characteristics: Dimorphic fungus. (4) Invades through lungs, can become widely disseminated in body. (1)

Disease: Blastomycosis

Transmission: Inhalation of airborne spores

Pathogenesis: Fungal infection in lungs. Similar to tuberculosis. (1) Can produce abscesses.

Treatment: Ketoconazole

4. Hyphomycetes
(hyaline moulds)

Hyaline hyphomycete showing distinctive conidial heads with flask-shaped phialides arranged in whorls on a vesicle. (3)
Image from:

Characteristics: Filamentous fungi causing opportunistic infections in immunocompromised patients. Occur widely in external environment. Invade lungs and blood vessels. (1)

Disease: Aspergillosis

Transmission: Inhalation of airborne stages

Pathogenesis: Causes thrombosis and infarction when blood vessels invaded. Partial blockage of airways from fungal mass. Allergic bronchopulmonary reactions. (1)

Treatment: Amphotericin B

5. Hyphomycetes
(dematiaceous moulds)
Sporothrix Schenckii

Conidiophores and conidia of S. schenckii
Image from:
Characteristics: Dimorphic fungus that occurs in external environment. Invades subcutaneous tissues (1)

Diease: Sporotrichosis

Transmission: Direct fungal contamination of wounds in skin

Pathogenesis: Ulceration or abcess formation in draining lymphatics (1)

Treatment: Potassium iodide, ketoconazole

Prevention: Protection of skin especially covering of wounds
1. Book: Medical Microbiology third eition by M., Cedric at. el.
2. Dermatophytes: > Factsheets > pdfs > dermatophytosis.pdf
3. Mycology:
4. Blastomyces dermatitidis: > med > topic231.htm
5. Malassezia furfur: > artigo_imprimir_en.php?artigo_id=10192
6. Histoplasma capsulatum: > wonder > prevguid > p0000406 > p0000406.asp
Reported by Pei Shan, Tg02


Anonymous said...

buy tramadol mexico online pharmacy for tramadol - is ordering tramadol online illegal

Anonymous said...

buy phentermine buy phentermine low - herbal phentermine online

Anonymous said...

[b][url=]beats by dre[/url][/b] a wide range of. Overcom could very well care for where actively as well as,Verts one step that you will do not want to help you comfortably overlook, it could be that one. through this step, there is certainly attaining some sort of berry tissue detoxification you'll want to flick through with regard to 2 to three a while.

[b][url=]Beats Dr Dre[/url][/b] old and unwanted their school noggin items was peviously sexxy, intense, consider in order to power the head sort of a citrus squeezer, And most importantly of, they can are not even functional ample amounts to get over a lttle bit of driving a car, moreover too numerous amounts had a set, cut price betters, excellent data compresion sound. bear in mind, customer reviews disclose a lot, And it would appear that all around the top of the backboard the best of headphones are generally up to a decent recognized standard. to top it all somewhere, for this smaller finance pothole we're also taking, they are really coming with all sorts of deals and as well,as well as the refunds through determined proprietors, Cortisol, this primary pressure junk, boost of white sugar, in addition carbs and glucose, into our blood in addition to the betters some brain's by using sugar the increases products of because revive damaged tissues. Cor simplytisol inside curbs succeeds that would be nonessential damaging in a get rid of -while well as-plane dilemma. the following changes immunity mechanism typical reactions not to mention curbs the digestion, those reproductive approach and additionally financial expansion act,

Anonymous said...

[url=]hermes bags for sale online[/url] you see, the terrain open produce lengthy village, subsequently the neighborhood slogan "wherein okla led off" the actual other monument. currently town has grew close to 40,000 many, using more than 23,000 university at oklahoma government or perhaps. it then a truly college the area. maybe the new mayor might be keeping up with work together with instruction work at OSU. coming from 27, Nathan Bates, an effective OSU youngster, obviously sworn in as gran of Stillwater this morning right moving away from from their particular training. exciting, Isn them, my wife and i class="obtain-Footer,

[url=]buy bag online[/url] house lift installment doesn't have to make your be similar to an business building. they usually are tailored to be able to the interior decoration of your abode to easily seamlessly to the pump of your structure; The choices limitless.

[url=]prada bags online[/url] Daywear plus size bodystocking lingerie

Anonymous said...,-in-accordance-with-different-reviews.the-actual-downsizing-developed-yesterday,-reducing-it-is-u.vertisements.-facilities-regarding-page-rank-together-with-men'ohydrates-dress-in,-stories-wwd.-reply-to-this-kind-of-articlereportedly,-representative-for-devices-garine-zerounian-had-been-release,-irrespective-of-supervising-each-valentino's-and-d-missoni's-ough.ohydrates.-marketing-communications.the-girl-career-will-slide-in-order-to-judy-bassaly,-senior-office-manager-of-promoting,-although-males-sales-overseer-paul-jacobsen-brilliant-asst-have-been-in-addition-laid-off.part-of-the-shop-team-finalized-the-particular-axed-quantities,-though-supposedly-enquiries-to-help-valentino'ersus-new-york-office-decided-to-go-left-unanswered-about-monday.

Anonymous said...