Korean Society of Neuroradiology

HOME > Weekly Case > Weekly Case

Weekly Case

종결 Case No. 240 2011-05-01~2011-05-31

출제자 : 최승홍 Hit : 440

1 / 8

2 / 8

3 / 8

4 / 8

5 / 8

6 / 8

7 / 8

8 / 8

❮ ❯

Period	2011-05-01~2011-05-31
Diagnosis
Clinical information	F/15 C.C: Lt side facial palsy ( 4 MA)
Discussion	Answer: Atypical melanocytoma Arise form leptomeningeal melanocytes 0.06-0.1% of brain tumor 3 groups Diffuse melanocytosis or melanomatosis Melanocytoma (benign, atypical) Malignant melanoma Melanocytoma vs. Malignant melanoma Mitotically more active (0-2% vs. 2-15%) Cytologically more atypia (prominent red nucleoli) Necrosis (absent vs. present) CNS invasion Prognosis Diffuse melanocytosis : poor Melanocytoma : few local recurrences, rare malignant transformation - Malignant melanoma : highly aggressive and radioresistant
Correct answer	Correct Answer Semi-Correct Answer

Name

Affiliated Hospital

Password

Please write the password to be used when checking the answer

Answer