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Flashcards in DIF patterns Deck (17)
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1
Q

Bullous pemphigoid

A

n-serrated pattern

linear C3 in 95% and linear IgG4 in 80%

2
Q

Chronic Bullous disease of Childhood

A

LInear IgA

3
Q

Cicatricial Pemphigoid

A

LInear C3/IgG, fibrinogen

Occ IgM and IgA in 90%

4
Q

During’s disease

A

DH

Granular IgA>C3 in dermal papillae

5
Q

Drug induced pemphigus

A

90% intercellular

6
Q

EBA

A

u serrated pattern
Linear IgG
(sometimes IgM, IgA, C3, fibrinogen)

7
Q

Herpes Gestastionis

A

Linear C3, occaisional IgG

8
Q

IgA pemphigus (Intraepidermal type)

A

100% intercellular IgA

9
Q

IgA pemphigus (subcorneal pustular type)

A

100% intercellular IgA

10
Q

Paraneoplastic pemphigus

A

IgG and C3 intercellular and linear/granular at DEJ

11
Q

Pemphigus Erythematosus

A

LInear IgG at DEJ and intercellular IgG4 in upper layers

12
Q

Pemphigus foliaceous

A

Intercellular IgG4, usually upper layers

13
Q

Pemphigus vulgaris

A

Intercellular IgG4>C3, more in lower epi

14
Q

Porphyria Cutanea Tarda

A

Linear IgG, IgM, IgA and C3, fibrinogen at BM and around vessels

15
Q

Bullous lichen planus

A

IgM and C3 in colloid bodies

16
Q

Bullous Lupus Erythematous

A

Linear IgG, IgM, IgA, C3, fibrinogen

17
Q

Coma blister

A

negative