Acanthosis Nigricans

     

Neck region

  Def
Hyperpigmentation

Colour - brown black velvety

            Location
            Body folds
            Axilla groin

            Armpit

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Age
Less than 40yr

           Histopathology
           Characteristic - paillomatosis +nt
           But.  Hypermelanosis  -nt

Association
trick  the (Da) HBO

      D - diabetes(insulin resistance)
      A- adenocarcinoma (gastric)
      H- hypothyroidism
      B - bloom syndrome
      O- obesity (MC)

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Arm pit region 

Atopic dermatitis

INFANT CHEEK 

Def
Pruritic disease

       Associated disease
        TRICK 3 allergies plus AHU (aaahuuu)

Allergic.  Rihinits
Allergic. Conjunctivitis
Allergies food

          A asthma
          H. Hayfever
          U. Urticaria

Age + location pattern
Infantile.      Facial lesion
Childhood.  Flexural lesion
Adult.           Lichenoid

          CF
          MC SYMPTOM  ITCHING
          Rash appears after scratching

Special
Morgan fold. - horizontal fold below lower eye lid

            Associated condition
TRICK HEAD KE UPPAR ANTENA PE HASSOGE

HEAD.        Head light sign
ANTENA    Antena  sign
HASSOGE. Hertoghe's sign

            Diagnosis.  Criteria
TRICK HEINKEN BEER PLUS RAJMA
HEINKEN.  HANIFIN
RAJMA.      RAJKA

            Major   pruritis
            Minor   dry skin plus Morgan fold

DENNY MORGAN FOLD 

Erythroderma

Def
Exfoliating dermatitis

                 Location
                 90% or more cutaneous surface

Causes 

TRICK
PLANE RED SORE BY DERMA DRUGS

PLANE.                 LICHEN PLANUS
RED.(RUBRA).     PITYRIASIS RUBRA
SORE.                   PSORIASIS
DERMA.               DERMATITIS
DRUGS.   .           GOLD PHENYTOIN PENICILLIN

                    TREATMENT
                    TOPICAL STEROID
                    ANTIHISTAMINICS

SYSTEMIC STEROID. In severe disease

Acritretin or methotrexate in psoriatic erythroderma

Pityriasis alba

Def
Childhood Hypopigmetation

Age
6-12 yrs

Clinical features
White macules /patch
Scaling +nt

Location
Cheeks

Pattern
Reoccurance frequently

Treatment
Not required

Drug
Tacrolimus
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Vitiligo

Def:Absence of melanocytes
Lesion are nonpigmented

Cause
MC Genetic 20-30%
Antimelanocyte autoantibodies
Free radical accumulation

        Age
        MC 10 -30 yrs

Disease association
Trick      man become Mota(diabetic) by adding anemia

Man                 MEN
Motto(Mota)  hashimoto thyroiditis     
Diabetic          diabetes mellitus
Add the.         Addison dis.
Anemia          pernicious anemia

          CF:
          Hallmark depigmented macule

Location
Any part of body

       Pattern
       MC vitilgo vulgaris

Treatment
PUVA  mainstay     trick { vitiligo ka puvva)

        Drug
        Topical steroid
        Tacrolimus

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Molluscum contagiousm

Causative agent 
•Pox virus

Finding
•Multiple pearly white papule
•Umbilicated centrally

Inclusion bodies
•Henderson Paterson bodies

Location
•MC face in children

Treatment
Curretage 
Electrocautery

Drug
Imiquimed

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