Exam 5: Pigmented Lesions

Both in situ and invasive oral melanomas exhibit the same distinctive site predilection. This is the:

Which of the following pigmented lesions of oral mucosa is most commonly encountered in dental patients?

A 34-year-old man presents with an asymptomatic 1 ´ 1 cm pigmented lesion in the right side of his palate. It is flat, and it is asymptomatic. Biopsy shows melanin pigment within a collection of benign-appearing spindle-shaped cells in the submucosa. This is consistent with:

In addition to multiple neurofibromas, what other lesions are seen as part of the syndrome neurofibromatosis?

All the following drugs are known to have the ability to cause pigmentation of the oral mucosa except:

Which of the following can have clinical features that are similar to early superficial or in situ melanoma?

A 40-year-old woman presents with multiple melanotic macules of her lips and buccal mucosa. If the patient is found to have adrenal insufficiency, which of the following conditions should be considered?

All the following suggest the possibility of intraoral melanoma except:

Café-au-lait macules (more than five) and multiple neurofibromas are typically seen in which of the following conditions?

Generally, which of the following has the worst prognosis?

A 37-year-old man presents with a blue-black macule (1 ´ 1 cm) in his palate. The area is covered with intact epithelium and there was no apparent inflammatory response. Biopsy shows deposits of black foreign material. This suggests which of the following?

Oral mucosal lesions may exhibit a red to blue to black color for one of several reasons. These would include all the following except:

A 30-year-old woman presents with recently acquired generalized tanning of the skin and multiple intraoral pigmented macules. Oral biopsy showed excessive melanin pigment in basal keratinocytes. This patient should be suspected of having:

Oral melanomas are classified into microscopic subtypes based primarily on which of the following feature?

Pigmented nevi are commonly seen in skin but are relatively rare in the oral mucosa. Intraorally, they are most likely to be found in which of the following locations?

Acquired oral melanin pigmented lesions may be associated with which of the following?

The characteristic oral manifestation of Peutz-Jeghers syndrome is:

Amalgam tattoo is a common oral lesion that must be differentiated through clinical history or biopsy from which of the following?

Mucosal neuromas, pheochromocytoma, and medullary carcinoma of the thyroid constitute which of the following syndromes?

Lateral or radial spread at the epithelial-connective tissue interface is a characteristic growth feature of which of the following pigmented lesions?