Hans C Hasselbach

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BACKGROUND Necrotising retinopathy in immunocompromised hosts is characterised by an unfavourable course often with unspecific clinical features. Therefore, differential diagnosis can be critical. HISTORY AND SIGNS A case of an initially therapy-resistant, necrotizing retinopathy is presented in a 65-year-old immunocompromised male patient suffering from(More)
To evaluate the potential role of radial optic neurotomy (RON), a new surgical technique has been recently proposed for treating central retinal vein occlusion (CRVO). It is hypothesized that CRVO constitutes a neurovascular compartment syndrome at the site of the lamina cribrosa, which can be alleviated by performing a radial incision at the nasal part of(More)
Primary myelofibrosis is characterized by clonal myeloproliferation, dysmegakaryopoiesis, extramedullary hematopoiesis associated with myelofibrosis and altered stroma in the bone marrow and spleen. The expression of CD9, a tetraspanin known to participate in megakaryopoiesis, platelet formation, cell migration and interaction with stroma, is deregulated in(More)
Radial optic neurotomy (RON) has been proposed for alleviation of the "scleral outlet compartment syndrome" at the level of the lamina cribrosa, which is thought to play a pathoetiologic role in central retinal vein occlusion (CRVO). The aim of this study has been to analyze the ultrastructural alterations of the lamina cribrosa after RON to gain new(More)
Untersuchung des Stellenwerts von systemischen Begleiterkrankungen und internistischer Diagnostik bei Zentralarterien- (ZAV) und Zentralvenenverschlüssen (ZVV). Retrospektive Analyse von 80 Patienten (38 ZAV, 42 ZVV), bei denen zwischen 2002 und 2005 eine isovolämische Hämodilutionstherapie sowie eine internistische Risikofaktorenabklärung mittels(More)
Histologische Veränderungen nach Protonenbestrahlung eines Aderhautmelanoms sind für komplizierte Verläufe nach Enukleation dokumentiert. Hier wird die Histologie eines Tumors nach transretinaler Probeentnahme dargestellt. Ein Jahr nach Bestrahlung wurde eine Biopsie des Tumors histologisch untersucht. Das Biopsat zeigte vitale, Melan-A- und HMB-45-positive(More)
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