Dermatophyte-What Is It ,Clinical Types,Lab Diagnosis And Treatment

-

 DERMATOPHYTE 

  • Infection caused by fungi is known as mycosis 
  • Types:
  1. Superficial
  2. Subcutaneous
  3. Systemic

SUPERFICIAL :

  • Affect surface 
Types :
  • Superficial infection
 Example -Tinea nigra,Piedra
  • Cutaneous :Dermatophyte 

DERMATOPHYTE :

  • Superficial mycoses that affect only superficial keratinised tissue (hair,skin,nail)
  • Break down and utilise keratin
  • Infection caused it DERMATOPHYTOSES,tinea or ringworm





GENUS ORDER 

  1. TRICHOPHYTON-Hair,skin,nail
  2. MICROSPORUM-hair,skin
  3. EPIDERMOPHYTON-skin,nail

CLINICAL TYPES:

  • Named based on site of involvement 
  • Scalp-tinea capitis
  • Groin-tinea cruris
  • No hair involvement -tinea corporis
  • Foot-tinea pedis or athlete's foot
  • Beard -tinea barbae or barber's itch
  • Chronic type with hair involvement is called FAVUS 
  • FAVUS is followed by alopecia and scaring
  • Its of two types ectothrix,endothrix
  • Atherospore sheath over the hair shaft-ectothrix
  • Atherospore within hair shaft -endothrix





LAB DIAGNOSIS :

SPECIMEN :

  • Hair scraping,skin scraping ,nail

DIRECT MICROSCOPY 

  • 10%KOH mount to view hyphal growth 

CULTURE :

  • 25-30 degree celsius for 3 weeks :incubation
  • SDA AND SDA used with antibiotics
  • (SABORAYDERED DEXTROSE AGAR) 
Colony Characteristic 
  • Pigment 
  • Macroconidia
  • Microconidia 
Colony Characteristic :
  • White to creamy ,cotton growth 
  • Reverse  of media is red in T.rubrum
  • lactophenol cotton blue preparation is done to see macroconidia or microconidia or both 

GENUS                                INFECTION 

Trichophyton      -Predominantly microconidia
Microsporum       -Macroconidia
Epidermophyton  -Macroconidia

TREATMENT :

Antifungal agents ,oral griseofulvin 





AIM OF THIS POST :

Today as per the request of our very own stencilent family member we have posted to enlight about what mycosis is ,and we read in detail about dermatophyte :genus order,clinical types,lab diagnosis and finally about its treatment .Hope this post would have been informative if this post helped you, then do let me know in the comment section below as this would motivate me to post more such content .

CONTACT DETAILS :

Email :stencildent@gmail.com
Instagram:stencildent 

                           THANK YOU 
 


Comments

  1. Express SystemsJuly 22, 2021 at 1:53 PM

    The article you've shared here is fantastic because it provides a wealth of information that will be incredibly beneficial to me. Thank you for sharing that. Continue to post. Medical Imaging Equipment Online Buy Usa

    ReplyDelete
  2. Practice Management Software AustraliaDecember 30, 2021 at 4:05 PM

    What’s up, every time I used to check blog posts here in the early hours in the break of day, for the reason that I enjoy to gain knowledge of more and more. Get more information at Allied Health Practice Management Software. As I am in fact eager of reading this web site’s post to be updated regularly. It includes nice stuff.

    ReplyDelete

Post a Comment

Popular posts from this blog

Sterilization technique in microbiology

-
Image
HELLO! DOCTOR VANAKAM, I hope you all are doing good today we will be discussing sterilization various methods of sterilization, about dry heat sterilization and moist heat sterilization along with different methods employed, and what are the materials to be placed in this method in detail about autoclave its principle, working and of course uses. As I have had already informed you all through my previous post on the contribution of Louis Pasteur and Koch postulates if we haven't checked it out yet do check it out using this link   https://www.stencildent.com/2020/07/contributions-of-louis-pasteur-and-koch.html  wherein I would explain the importance for the need of the HOUR and always to sterilize things to and from the patients and also get geared up for the next post on SHOCK wherein I would cover the definition, types, classification along with etiology, pathogenesis, flow chart, the complication of septic shock in detail so now without any further ado lets get starte...
Read more

STAGES AND STEPS IN TOOTH PREPARATION

-
Image
                      STAGES AND STEPS IN                                        TOOTH  PREPARATION                 TOOTH PREPARATION INVOLVES 2 STAGES  1) INITIAL TOOTH PREPARATION:    OUTLINE FORM AND INITIAL DEPTH PRIMARY RESISTANCE FORM  PRIMARY RETENTION FORM CONVENIENCE FORM 2) FINAL TOOTH PREPARATION  REMOVAL OF REMAINING CARIES PULP PROTECTION SECONDARY RESISTANCE AND RETENTION FORM FINISHING OF EXTERNAL WALL FINAL PROCEDURE OF CLEANING AND INSPECTING  Each stage and step is explained in detail please refer to above notes . note:please do not  download and share all rights are reserved to stencildent.
Read more

Hypersensitivity microbiology notes

-
Image
                          HYPERSENSITIVITY   hello, doctor vanakam, I hope you all are doing good, as intimated through the last post on anaerobic culture method  https://www.stencildent.com/2020/08/anaerobic-culture-methods-microbiology.html  if u haven't checked it out do read using this link without any further ado lets get started. CONTENTS: 1)Definition 2)Classification 3)type 1 hypersensitivity reaction a)1st exposure b)2nd exposure c)mediators of reaction d)late-phase reaction 4)type 4 hypersensitivity 5)treatment  1)DEFINITION: It refers to a condition in which immune response results in excessive reaction leading to tissue damage, disease, or even death in a sensitised host. 2) CLASSIFICATION: Coomb and gel classification in 1963 into type 1 to 4  Type 1,    type 2, type 3       : They depend on the interaction of antigen with humoral antibodies They are the i...
Read more