نتایج جستجو برای: dome shaped part
تعداد نتایج: 715813 فیلتر نتایج به سال:
Dome-shaped macula (DSM) was recently described in myopic patients as a convex protrusion of the macula within a posterior pole staphyloma. The pathogenesis of DSM and the development of associated serous foveal detachment (SFD) remain unclear. The obstruction of choroidal outflow and compressive changes of choroidal capillaries have been proposed as causative factors. In this paper, we report ...
Folliculosebaceous cystic hamartoma (FSCH) is a distinct type of cutaneous hamartoma of pilosebaceous origin that usually occurs on the face. For FSCH, other parts have been reported such as the genital area, and the trunk. A 50-year-old woman presented with an asymptomatic dome-shaped scalp nodule. The clinical diagnosis was pilar cyst or tumor. Histopathological assessment showed FSCH with ab...
Most patients with mycosis fungoides are between 40 and 60 years of age. The disease has three clinical stages: (1) the premycotic, or patch, stage, consisting of macular, scaling, faint pink to red pruritic patches, usually on unexposed surfaces; (2) the mycotic, or plaque, stage, consisting of reddish, purple-brown plaques, often annular in shape and symmetric in distribution, and (3) the tum...
Figure 2 The cut plastic packaging is a perfect contour to fit neatly over the talus component without risking abrasive damage to the tibia. facturer’s technique. We use the thin plastic covering accompanying the sterile tibial implant (Fig 1) to protect the talus during tibial insertion. The dome-shaped plastic covering can be trimmed to a smaller talar-sized piece to cover the talus, leaving ...
The human cornea is the transparent, dome-shaped tissue that covers anterior segment of the eye. It consists of five thin layers: epithelium, Bowman’s layer, stroma, Descemet’s membrane and endothelium. Due to its transparency, real-time in vivo confocal microscop‐ ic observation of the normal and diseased cornea was developed since the early 1990s. [1,2] Since histologic-like images are obtain...
Segmental neurofibromatosis or type V neurofibromatosis is a rare genodermatosis characterized by neurofibromas, café-au-lait spots and neurofibromas limited to a circumscribed body region. The disease may be associated with systemic involvement and malignancies. The disorder has not been reported yet in the Polish medical literature. A 63-year-old Caucasian woman presented with a 20-year histo...
Mucosal antral cysts(MACs) appear as dome-shaped soft-tissue opacities and have prevalences of between 1.6% and 8.7% on otherwise normal panoramic radiographs. The aim of this survey was to define the prevalence in the inner-city population in London. A 14% prevalence for MACs was observed in the panoramic radiographs of 1000 consecutive patients attending King's College Hospital dental casualt...
We describe focal choroidal excavation (FCE) in a case of Vogt-Koyanagi-Harada (VKH) disease and compare the findings with different chorioretinal conditions. A 55-year-old man was diagnosed with VKH based on panuveitis and exudative retinal detachments. Spectral-domain optical coherence tomography demonstrated a dome-shaped protrusion with a nonconforming pattern at the fovea, which had been d...
Halo neurofi broma is a rare benign tumor. In the past, 3 cases of multiple halo neurofi bromas and 1 case of a solitary halo neurofi broma have been reported. The neurofi broma is characterized by a skin-colored, dome-shaped soft papule or a nodule surrounded by hypopigmented macules. The pathogenesis of neuroectodermally derived tumors associated with halo phenomenon is still poorly understoo...
We demonstrate numerically calculated electromagnetic eigenmodes of a 3D dome cavity resonator that owe their shape and character entirely to the Goos-Hänchen effect. The V-shaped modes, which have purely TE or TM polarization, are well described by a 2D billiard map with the Goos-Hänchen shift included. A phase space plot of this augmented billiard map reveals a saddle-node bifurcation; the st...
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