disorders of the eyelid skin

... reflect the poorly defined nature of the first turn of the a-helix due to the lack of hydrogen bonds to their NH protons. Comparison of the observed NH chemical shifts of A4K14-citropin 1.1 with the ... the dorsal surface and into the gut of the amphibian [1–4]. A number of different types of bioactive peptides have been identified from the glandular skin secretions of Australian anurans of the ... cytotoxic to the frog as after about 10 min of exposure on the skin a further endoprotease removes the first two residues of the peptide destroying the antibiotic (and anticancer) activity [9]. The solution...

Ngày tải lên: 17/03/2014, 09:20

... TST+/QFT- HCWs is unknown. A number of publications suggest it is low [9,27-29]. Because of the high sensitivity of the IGRA and the low specificity of the TST, none of the several national guidelines ... a low sensitivity of the TST without reducing the specificity problems of the TST in a meaningful way. Therefore the use of the increase cri- teria should be reconsidered. Furthermore it could ... brief, 0.1 mL (2 TU) of purified protein derivate (Tubertest from SanofiPasteur) was injected intradermally at the volar side of the forearm and the transverse diameter of the induration was read...

Ngày tải lên: 20/06/2014, 00:20

Ngày tải lên: 28/06/2014, 11:20

... common in people of northern European descent. Their diagnosis is obvious when they are visible as glittering particles upon the surface of the optic disc. However, in many patients they are hidden ... fulminant papilledema. Optic Disc Drusen These are refractile deposits within the substance of the optic nerve head (Fig. 29-13). They are unrelated to drusen of the retina, which occur in age-related ... confusion. Often it is difficult to differentiate papilledema from other forms of optic disc edema by fundus examination alone. Transient visual obscurations are a classic symptom of papilledema. They...

Ngày tải lên: 06/07/2014, 15:21

... Chapter 029. Disorders of the Eye (Part 14) Stroke This occurs when interruption of blood supply from the posterior cerebral artery to the visual cortex is prolonged. The only finding ... viewing light reflected from the fundus with an ophthalmoscope or by examining the dilated eye using the slit lamp. The only treatment for cataract is surgical extraction of the opacified lens. Over ... cataracts develop slowly as a result of aging, leading to gradual impairment of vision. The formation of cataract occurs more rapidly in patients with a history of ocular trauma, uveitis, or diabetes...

Ngày tải lên: 06/07/2014, 15:21

... by administration of panretinal laser photocoagulation at the appropriate point in the evolution of the disease. For further discussion of the manifestations and management of diabetic retinopathy, ... detachment of the retinal pigment epithelium and the neurosensory retina. These detachments produce acute or chronic symptoms of metamorphopsia and blurred vision when the macula is involved. They ... Chapter 029. Disorders of the Eye (Part 16) Central Serous Chorioretinopathy This primarily affects males between the ages of 20 and 50. Leakage of serous fluid from the choroid causes...

Ngày tải lên: 06/07/2014, 15:21

... 029. Disorders of the Eye (Part 17) Melanoma and Other Tumors Melanoma is the most common primary tumor of the eye (Fig. 29-18). It causes photopsia, an enlarging scotoma, and loss of vision. ... atrophy of retrobulbar fat, or fracture of the orbital floor. The position of the eyes within the orbits is measured using a Hertel exophthalmometer, a hand-held instrument that records the position ... dramatic response to a therapeutic trial of systemic glucocorticoids indirectly provides the best confirmation of the diagnosis. When the globes appear asymmetric, the clinician must first...

Ngày tải lên: 06/07/2014, 15:21

... limitation of motility. The width of the palpebral fissures is measured in primary gaze to quantitate the degree of ptosis. The ptosis will be underestimated if the patient compensates by lifting the ... drooping of the eyelid. Unilateral or bilateral ptosis can be congenital, from dysgenesis of the levator palpebrae superioris, or from abnormal insertion of its aponeurosis into the eyelid. ... dehiscence or stretching of the aponeurotic tendon, which connects the levator muscle to the tarsal plate of the eyelid. It occurs commonly in older patients, presumably from loss of connective tissue...

Ngày tải lên: 06/07/2014, 15:21

... "lazy" eye) in the deviated eye. Chapter 029. Disorders of the Eye (Part 19) Myogenic Ptosis The causes of myogenic ptosis include myasthenia gravis (Chap. 381) and a number of rare myopathies ... gaze, and then with the head turned and tilted in each direction. In the above example, a cover test with the head turned to the right will maximize the fixation shift evoked by the cover test. ... If the eye movements are full and the ocular misalignment is equal in all directions of gaze (concomitant deviation), the diagnosis is strabismus. In this condition, which affects about 1% of...

Ngày tải lên: 06/07/2014, 15:21

... when the oculomotor nerve is injured by trauma or compression (tumor, aneurysm). Miswiring of sprouting fibers to the levator muscle and the rectus muscles results in elevation of the eyelid ... thought to result from microvascular infarction of the nerve, somewhere along its course from the brainstem to the orbit. Usually the patient complains of pain. Diabetes, hypertension, and vascular ... the subarachnoid space the oculomotor nerve is vulnerable to aneurysm, meningitis, tumor, infarction, and compression. In cerebral herniation the nerve becomes trapped between the edge of the...

Ngày tải lên: 06/07/2014, 15:21

Ngày tải lên: 06/07/2014, 15:21

Ngày tải lên: 06/07/2014, 15:21

Ngày tải lên: 06/07/2014, 15:21