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Arch Ophthalmol. 2005;123:689-691.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Extramedullary hematopoiesis can occur in myeloproliferative disorder, including myelofibrosis,¹ chronic myeloid leukemia,² and, rarely, polycythemia vera.³ When fibroblastic proliferation accompanies a solid mass appearance, such lesions have been termed sclerosing extramedullary hematopoietic tumors (SEMHTs).⁴ We describe, to our knowledge, the first case of myelofibrosis with bilateral multiple SEMHTs in the orbitae.

Report of a Case

A 62-year-old woman sought medical treatment in April 2000 because of a slow-growing left lower-lid mass of 1 year's duration. She had no associated pain, visual loss, or diplopia. Examination disclosed a left lower-lid mass measuring about 3 x 2 x 2 cm. The mass was not tender and was mobile. It had a smooth surface and appeared to be arising from the orbita. The patient's best-corrected visual acuity was 20/30 OU. Measurement with a Hertel exophthalmometer showed a 2-mm proptosis in the left eye. The intraocular pressure was normal in both eyes. We found no relevant afferent pupillary . . . [Full Text of this Article]

Comment

AUTHOR INFORMATION
Hunter K. L. Yuen, MRCS; Lakshmi Mahesh, DipNB(Ophthal); Raymond K. K. Tse, FRCS, FRCOphth; K. C. Yau, FRCPath; Nongnart Chan, MD; Dennis S. C. Lam, FRCS, FRCOphth