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Dermatology
Foreign Body Reactions
Built from Dermatology, 5th Edition
What’s inside
6 sections · 94 slides
Overview
- What this topic covers
General Considerations
What a foreign body reaction is, how material enters the skin, and how the body responds
- What is a foreign body reaction?
- Routes of entry into the skin
- How foreign bodies are grouped
- Classification of foreign bodies by origin and route of entry
- Classification of foreign bodies by origin and route of entry (continued)
- Classification of foreign bodies by origin and route of entry (continued)
- Classification of foreign bodies by origin and route of entry (continued)
- Classification of foreign bodies by origin and route of entry (continued)
- Classification of foreign bodies by origin and route of entry (continued)
- Classification of foreign bodies by origin and route of entry (continued)
- How a granuloma forms
- Foreign body giant cells
- Clinical presentation
- Clinical presentations of foreign body reactions
- Less common clinical patterns
- Two types of granuloma
- Reading the pathology slide
- Reaching the diagnosis
- Diagnostic approach to a suspected foreign body reaction
- Clinical presentation by foreign body type
- Clinical presentation by foreign body type (continued)
- Histologic reaction pattern by foreign body type
- Histologic reaction pattern by foreign body type (continued)
Inorganic and Metallic Compounds
Tattoo ink, paraffin, silicone, silica, talc, and reactive metal salts
- What a tattoo is
- Traumatic tattoo
- What tattoo ink is made of
- Reactions within a tattoo
- Cosmetic tattoo reaction
- Reaction in the red portion of a tattoo
- Sarcoidosis and the Rush phenomenon
- Verrucous change and lymph node spread
- Tattoo pathology - where the pigment sits
- Reaction to cinnabar pigment
- Monsel's solution tattoo
- Diagnosis and differential diagnosis
- Infections and inflammatory dermatoses within tattoos
- Treating a tattoo reaction
- What is paraffin?
- Paraffin injection sites and course
- Penile paraffinoma (sclerosing lipogranuloma)
- Paraffin pathology and treatment
- What is silicone used for?
- Silicone reaction and its risks
- Silicone reaction after cosmetic injection
- Silicone pathology and treatment
- What is silica and how does it get in?
- Silica granuloma
- Silica: differential diagnosis and treatment
- Talc granulomas
- Talc: clinical picture and pathology
- Reactive metal salts
- Aluminum and zinc reactions
- Treating the reactive metal group
Organic and Biologic Products
Starch, plant spines, jellyfish and coral, and the body's own keratin
- Starch granulomas
- Cactus spine injury
- Foreign plant material implanted in skin
- Wood splinter versus bee stinger
- Jellyfish and coral stings
- Delayed reaction to coral or jellyfish
- Treating a cnidarian sting
- Keratin as a foreign body
- Pseudofolliculitis barbae
- Pseudofolliculitis in other body sites
- Pilonidal sinus
Injectable Soft Tissue Fillers
How cosmetic dermal fillers can themselves trigger a foreign body reaction
- Fillers as foreign bodies
- Durability class of each filler material
- Durability class of each filler material (continued)
- Histopathologic features by filler material
- Histopathologic features by filler material (continued)
- Histopathologic features by filler material (continued)
- Histopathologic features by filler material (continued)
- Histopathology of different filler-related granulomas
- Hyaluronic acid filler reactions
- Bovine collagen filler reaction
- Foreign body reaction to bovine collagen
Miscellaneous Causes
Steroid injections, sutures, synthetic hair fibers, mesotherapy, and gout
- Intralesional corticosteroid reactions
- Suture reactions
- Suture granuloma on biopsy
- Foreign body giant cells engulfing suture material
- Synthetic 'hair' fiber implants
- Mesotherapy reactions
- Gouty tophi
- Six routes a foreign body can take into the skin
- 0.4%
- Key points to take away
- References
- References (continued)
- References (continued)
- References (continued)
- References (continued)
- References (continued)
- References (continued)
- Dermatology, 5th Edition (2-Volume Set)