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We report 4 cases of gelatin drop dystrophy corneal amyloidosis in two brothers and two sisters of the same family. The age of onset is between 1 and 10 years. The corneal signs are described at different stages of development. Lesions are initially asymmetrical. The typical is a subepithelial nodule starting in the center and then expanding to involve the(More)
We report on the growth, fabrication, experimental study and application in an absorption gas setup of distributed feed-back antimonide diode lasers with buried grating. First, half laser structures were grown by molecular beam epitaxy on GaSb substrates and stopped at the top of the waveguide. A second order Bragg grating was then defined by(More)
Low-grade sinonasal sarcoma with neural and myogenic features is an entity recently described in the literature. Little is known about its etiopathogenesis, natural history, or optimal treatment. In fact, it has relatively unique findings: it has a distinctive cytogenetic signature, and it expresses both smooth muscle actin and S100 protein. However, its(More)
We present the effect of vacancy in Pr0.6Sr0.4MnO3via dc magnetisation measurements. Using various techniques such as modified Arrott plots, the Kouvel-Fisher method, and Widom scaling relationship the values of TC (ferromagnetic transition temperature), as well as the β, γ and δ (critical exponents) are estimated. Critical exponents for the stoichiometric(More)
The authors report a rare case of ocular larva migrans lesions due toxocara canis in an 8-year-old child. Lesions were bilateral, consisting of peripheral chorioretinal granuloma, papillitis and vasculitis. Diagnosis was confirmed by eosinophilia (37%), positive serology in blood and aqueous humour and by raised immunoglobulins E in vitreous humour. The(More)
Dendriform pulmonary ossification is a chronic process characterized by the presence of heterotopic bone within the interstitium and alveolar walls. It usually occurs in the setting of chronic inflammation. We report an unusual case of a 54-year-old man with a history of relapsing Hodgkin lymphoma who was diagnosed with concomitant mucoepidermoid pulmonary(More)