Related Experiment Video
Updated: Feb 22, 2026
Technique of Conjunctival Biopsy and Direct Immunofluorescence for Diagnosing Mucous Membrane Pemphigoid
Published on: June 17, 2025
Dew drops on spider web appearance: a newly named pattern of IgG4 deposition in pemphigus with direct
Marian Dmochowski1, Justyna Gornowicz-Porowska1, Monika Bowszyc-Dmochowska2
1Autoimmune Blistering Dermatoses Section, Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland.
Novel appearances in cutaneous pathology as well as mucocutaneous clinical signs are being described which indicate that this is still an attractive area for exploration. The H + E histology terms of "decorated tomb stoning" and "undecorated tomb stoning", advocated by some pathologists, are misleading and as such should be avoided. Here, an appearance of IgG4 pemphigus deposits examined cost-effectively with direct immunofluorescence and suggested to be called "dew drops on spider web" is depicted in depth.
Novel appearances in cutaneous pathology as well as mucocutaneous clinical signs are being described which indicate that this is still an attractive area for exploration. The H + E histology terms of "decorated tomb stoning" and "undecorated tomb stoning", advocated by some pathologists, are misleading and as such should be avoided. Here, an appearance of IgG4 pemphigus deposits examined cost-effectively with direct immunofluorescence and suggested to be called "dew drops on spider web" is depicted in depth.
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