Differential Diagnosis: Pigmented Lesions Flashcards
What is the Differential Diagnosis for a Single Pigmented Lesion? (4)
“I got a tattoo (single pigmented lesion) so now I am on the LAMB from my dad”
- Lingual Varices
- Amalgam Tattoo
- Melanotic Macule
- Blue Nevus
What is the Differential Diagnosis for Multiple (Diffuse) Pigmented Lesions? (9)
- Racial Pigmentation
- Smoker’s Melanosis
- Heavy Metal Line
- Medication Reaction
- Post-Lesional Pigmentation
- Addison’s Disease
- Oat Cell Carcinoma
- Peutz-Jegher’s Syndrome
- GI + Respiratory Disease
What are the medications that can cause a reaction that appears as multiple (diffuse) pigmented lesions?
“When i check my balance at the ATM, my BP goes uP, so i take medication”
- Antimalarials
- Tranquilizers
- Minocycline
- BCP
- Plaquenil
- Pegasus
What is in the Differential Diagnosis for a gingival mass that is soft, red, painless and bleeds easily?
-
Pyogenic Granuloma
- 75% on gingiva, others on lip and palate
-
Peripheral Giant Cell Granuloma
- Young Female
- Only on Gingiva
What is in the Differential Diagnosis for a gingival mass that is firm, pink, does not bleed easily?
-
Fibroma
- Buccal Bite Line, Lip, Tongue
-
Peripheral Ossifying Fibroma
- ONLY on Gingiva
- Can displace teeth
- Cupping/triangulation of crestal bone
- Reactive to irritant along PDL
What gingival mass is rare, and seen in middle aged pts (~52 yrs)?
Peripheral Ameloblastoma
Firm, bony hard
What is the Differential Diagnosis for Palatal Destruction due to a fungal infection?
- Mucormycosis
- Aspergillosis
- Histoplasmosis
- Blastomycosis
Which fungal infection is usually in uncontrolled diabetics?
Mucormycosis
Which fungal infection, causing palatal destruction has 90 deg branching, non-eptate hyphae?
Mucormycosis
Which fungal infection, causing palatal destruction has ACUTE angle, SEPTATE hyphae?
Aspergillosis
Which fungal infection, causing palatal destruction is the most common systemic fungal disease?
Histoplasmosis
Which fungal infection, causing palatal destruction is rare in immunocomprimised pts?
Blastomycosis
Which fungal infection, causing palatal destruction is common in Males, in the Eastern US?
Blastomycosis
Which fungal infection, causing palatal destruction has a histology showing PEH, mimicing malignancy (ulcers with rolled borders)?
Blastomycosis
Which fungal infection, causing palatal destruction has an initial presentation of a maxillary palatal swelling, followed by a reddish/black hole in the vestibule?
Mucormycosis
