Derm Multisystem Flashcards
Cutaneous bacterial infections - diabetes
- foot ulcers
- staphylococcal folliculitis
- malignant otitis externa
- pseudomonas nail
Malignant otitis externa
Associated with DM
- pseudomonas aeruginosa
- necrosis ulcers d/t narrowing vessels
Pseudomonas nail
“Greenish” color
Common in pseudomonas
Causes separation of the nail
Candida infections
- perianal dermatitis
- intertrigo
- perleche’ (Angular cheilitis)
- erosio interdigitalis
- onychomycosis
Perleche’ (aka Angular cheilitis)
Cracks on side of mouth and from yeast
seen in older pts and DM pts
Candida intertrigo
Where the skin rubs Erythematous Satellite lesions Moist (under breast and axillary region)
Skin tags (acrochordons)-diabetes
More numerous and no problems with them
Usually located around neck and axillary region
Diabetic thick skin
Occurs commonly
Prayer sign - cant put hands together
Mucormycosis
Rare - d/t DM ketoacidosis
Very aggressive
Can be caused by fungus or bacteria
Diabetic Dermopathy
Usually effects front of shins and very common
Brownish/yellow pigmentation
Necrobiosis Lipidica (Diabeticorum)
Very difficult to handle, no infxn but very slow healing process
Most common - pretibial
Yellowish-brown, dilated blood vessels, and central atrophy, ulceration
Seen in juvenile DM 1 pts
Bulbous Diabeticorum
Blisters (fluid filled)
surrounding inflammation/skin changes around blister
Eruptive Xanthomas
Lipid dispositions and crops of many small flesh/yellow/red papules
Occurs before DM is diagnosed
Lipemia retinals
Enorgroged blood vessels
Associated with elevated triglycerides
-patient at risk to develop pancreatitis
Acanthosis Nigricans
Seen on neck and underarms
Velvety, hyperpigmented, rough surface
Perioral acanthosis nigricans and tripe palms can suggest what?
Malignancy
-GU/GI or lung carcinoma most common
Pseudoxanthoma elesticum
- waxy-skin
- yellowish-bumps
- connective tissue disorder occurs in dermis layer
Scleredema
- erythematous induration of upper back and nape due to glycosaminoglycan deposition
- skin feels heavy on shoulder and upper back
Hyperthyroidism
Skin is moist, warm, smooth and erythematous
-itchy skin
-nails may separate from the nail bed (onycholysis)
aka plummers nails (not d/t fungus)
-classic skin finding: pretibial myxedema
Pretibial myxedema
- Graves disease
- brawny, indurated plaques - pretibial areas
- skin colored, brownish red, very thick
- mutinous ground substance
- treatment of hyperthyroidism has no effect
Hypothyroidism
Mild: skin is dry, scaly, cold and pale
- nails are thin and brittle
- yellow and diffuse lay thickened skin
- loss of outer third of eyebrows (madarosis)
- enlarged and thickened lips and tongue
- yellow skin - carotenemia
- Skin: generalized myxedema
- flat looking, puffy, cold, pale face
yellow skin - carotenemia from
Impaired conversion of carotene to Vitamin A
Skin: Generalized Myxedema
All over body
Acromegaly
Excess pituitary growth hormones
- bone thickening, coarse fancies, enlarged hands
- skin: hypertrophic and acanthosis nigricans
- scalp fold accentuation (cutis verticis gyrata)
