BMS LAB QUIZ

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What is the most common type of malignant melanoma affecting the eyelids?

Acral lentiginous

Nodular (correct)

Superficial spreading

Lentigo maligna

Which of the following is NOT a risk factor for malignant melanoma?

African American race (correct)

Excessive sun exposure

Changing cutaneous moles

Family history

What is the recommended treatment for solid limbal dermoids?

Irradiation

Surgical excision (correct)

Cryotherapy

Intralesional chemotherapy

Which statement about Kaposi's Sarcoma is true?

May involve the lacrimal sac and orbit Signup and view all the answers

What is the primary diagnostic method for diagnosing Choristomas?

Clinical suspicion confirmed by an excisional biopsy Signup and view all the answers

Which of the following is a characteristic feature of dermolipomas?

Less dense than solid limbal dermoids Signup and view all the answers

What is the common treatment modality for Orbital Vascular Hamartomas?

Surgical excision Signup and view all the answers

'Goldenhar’s Syndrome' is characterized by all of the following EXCEPT:

Bilateral limbal dermoids or dermolipomas Signup and view all the answers

'Complex Choristomas' are characterized by:

'AKA ectopic lacrimal glands' Signup and view all the answers

'Kaposi's Sarcoma' is found more frequently in individuals with:

'AIDS' Signup and view all the answers

Which orbital vascular tumor is most common in infants and often involutes within 6 months?

Capillary Hemangioma Signup and view all the answers

Which type of hemangioma is characterized by solid cellular zones and open zones with irregular lumina?

Capillary Hemangioma Signup and view all the answers

Which orbital tumor is characterized by blood-filled spaces separated by fibrous septa?

Cavernous Hemangioma Signup and view all the answers

Which orbital tumor is commonly associated with neurofibromatosis 1?

ONH Glioma Signup and view all the answers

Which orbital tumor tends to present with decreased visual acuity and relative afferent pupillary defect?

ONH Glioma Signup and view all the answers

Which lymphoma is histopathologically characterized by Reed-Sternberg cells?

Hodgkin's Lymphoma Signup and view all the answers

'Salmon-patch' lesions in the orbit are characteristic of which type of lymphoid lesions?

Orbital Lymphoma Signup and view all the answers

'Optociliary shunts' are most commonly associated with which type of orbital tumor?

Orbital Lymphoma Signup and view all the answers

What is the common presenting sign of orbital lymphoma?

Epibulbar “salmon-patch” lesion Signup and view all the answers

What is the role of steroids in treating lymphoid lesions?

Has no significant role Signup and view all the answers

Why is surgical cure not possible for orbital lymphoma?

Lesions are diffuse and infiltrated into orbital fat tissue Signup and view all the answers

What are the commonly used doses of radiation for benign orbital lymphoid infiltration?

2000 to 3000 rad Signup and view all the answers

What diagnostic tests must a patient diagnosed with orbital lymphoma undergo?

Bone scan, liver-spleen scan, and Coombs' test Signup and view all the answers

Which benign eyelid lesion is commonly referred to as a skin tag?

Squamous Cell Papilloma Signup and view all the answers

What is the purpose of localized therapy in orbital lymphoma?

To treat the disease confined to the orbit Signup and view all the answers

Why is regression in the form of lymphoid hyperplasia possible in orbital lymphoma?

Due to immune response stimulation Signup and view all the answers

What is the recommended treatment for pedunculated sessile Xanthelasma?

Systemic cardiovascular work-up Signup and view all the answers

What is the main clinical feature that distinguishes Keratoacanthoma from Acinic Keratosis?

Rapidly growing nodule Signup and view all the answers

What is the main difference in clinical appearance between Basal Cell Carcinoma and Squamous Cell Carcinoma of the eyelids?

Vascularized nodule vs. Crusted raised plaques Signup and view all the answers

Which benign eyelid lesion involves overgrowth of melanocytic cells in fair-skinned patients?

Melanocytic Nevus Signup and view all the answers

Which malignant eyelid tumor arises from the kera@nized squamous cell layer of the epidermis?

Squamous Cell Carcinoma Signup and view all the answers

Which benign eyelid lesion occurs as a fluid cyst of gland of Moll on the lid margins and is transparent?

Sudoriferous cyst Signup and view all the answers

What is the characteristic appearance of Molluscum Contagiosum on the eyelids?

White-to-pink shiny nodules Signup and view all the answers

Which eyelid lesion is most commonly associated with hyperlipidemias in middle-aged and older patients?

Xanthelasmas Signup and view all the answers

What distinguishes Sebaceous Cell Carcinoma from other eyelid malignancies based on clinical presentation?

Plaque-like thickening of the tarsal plate Signup and view all the answers