Skin Deep - Clinical & Cosmetic Dermatology Blog

Skin Deep is a blog for dermatologists and skin care professionals with focus on theoretical, cosmetic and aesthetic dermatology. This blog is associated with ‘Dermatologists Sans Borders’ one of the largest curated groups of skin care professionals on facebook. If you are looking for non-technical information, please visit

Nodulocystic Acne

Nodulocystic acne is a severe form of acne affecting the face, chest and back characterised by multiple inflamed and uninflamed nodules and frequently, scars. It is more common in males. Acne conglobata is an uncommon form of nodulocystic acne in which there are interconnecting abscesses and sinuses. Nodulocystic acne may very rarely be a manifestation of a genetic disorder, PAPA syndrome (Pyogenic Arthritis, Pyoderma gangrenosum and Acne. Autosomal Dominant). This patient was treated with isotretinoin, but lesions recurred after few months of stoping therapy.
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About Me

As a Dermatologist and Informatician my research mainly involves application of bioinformatics techniques and tools in dermatological conditions. However my research interests are varied and I have publications in areas ranging from artificial intelligence, sequence analysis, systems biology, ontology development, microarray analysis, immunology, computational biology and clinical dermatology. I am also interested in eHealth, Health Informatics and Health Policy.


Bell Raj Eapen
Hamilton, ON