Episcleritis: Difference between revisions

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Revision as of 16:45, 3 March 2018

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Rohan Bir Singh, M.B.B.S.[2]

Synonyms and keywords:

Overview

Episcleritis is an acute, recurrent, benign inflammatory condition of the loose connective tissue lying superficial to the sclera and deeper to the conjunctiva.

Historical Perspective

[Disease name] was first discovered by [name of scientist], a [nationality + occupation], in [year]/during/following [event].

The association between [important risk factor/cause] and [disease name] was made in/during [year/event].

In [year], [scientist] was the first to discover the association between [risk factor] and the development of [disease name].

In [year], [gene] mutations were first implicated in the pathogenesis of [disease name].

There have been several outbreaks of [disease name], including -----.

In [year], [diagnostic test/therapy] was developed by [scientist] to treat/diagnose [disease name].

Classification

Inflammation of the episclera is classified by its location and severity using the system devised by Watson.^[1]

Classification of Episcleritis
Episcleritis	Diffuse Nodular

Pathophysiology

The exact pathogenesis of [disease name] is not fully understood.

OR

It is thought that [disease name] is the result of / is mediated by / is produced by / is caused by either [hypothesis 1], [hypothesis 2], or [hypothesis 3].

OR

[Pathogen name] is usually transmitted via the [transmission route] route to the human host.

OR

Following transmission/ingestion, the [pathogen] uses the [entry site] to invade the [cell name] cell.

OR

[Disease or malignancy name] arises from [cell name]s, which are [cell type] cells that are normally involved in [function of cells].

OR

The progression to [disease name] usually involves the [molecular pathway].

OR

The pathophysiology of [disease/malignancy] depends on the histological subtype.

Causes

Disease name] may be caused by [cause1], [cause2], or [cause3].

OR

Common causes of [disease] include [cause1], [cause2], and [cause3].

OR

The most common cause of [disease name] is [cause 1]. Less common causes of [disease name] include [cause 2], [cause 3], and [cause 4].

OR

The cause of [disease name] has not been identified. To review risk factors for the development of [disease name], click here.

Differentiating Episcleritis from Other Diseases

[Disease name] must be differentiated from other diseases that cause [clinical feature 1], [clinical feature 2], and [clinical feature 3], such as [differential dx1], [differential dx2], and [differential dx3].

OR

[Disease name] must be differentiated from [[differential dx1], [differential dx2], and [differential dx3].

Epidemiology and Demographics

Episcleritis is overwhelmingly a disease of adults affecting a wide range of age groups; pediatric age group involvement is rare. The sex distribution varies between published series but those series that describe an association with rheumatic diseases tend to have a female preponderance. Episcleritis is uncommon and the exact etiology of episcleritis is difficult to ascertain. Diffuse episcleritis is more common than nodular episcleritis.The majority of patients with episcleritis have mild evanescent disease that usually does not require ophthalmological intervention and treatment.

Risk Factors

There are no established risk factors for [disease name].

OR

The most potent risk factor in the development of [disease name] is [risk factor 1]. Other risk factors include [risk factor 2], [risk factor 3], and [risk factor 4].

OR

Common risk factors in the development of [disease name] include [risk factor 1], [risk factor 2], [risk factor 3], and [risk factor 4].

OR

Common risk factors in the development of [disease name] may be occupational, environmental, genetic, and viral.

Screening

There is insufficient evidence to recommend routine screening for [disease/malignancy].

OR

According to the [guideline name], screening for [disease name] is not recommended.

OR

According to the [guideline name], screening for [disease name] by [test 1] is recommended every [duration] among patients with [condition 1], [condition 2], and [condition 3].

Natural History, Complications, and Prognosis

If left untreated, [#]% of patients with [disease name] may progress to develop [manifestation 1], [manifestation 2], and [manifestation 3].

OR

Common complications of [disease name] include [complication 1], [complication 2], and [complication 3].

OR

Prognosis is generally excellent/good/poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [#]%.

Diagnosis

Where indicated clinically, a small number of serological tests looking for rheumatoid arthritis or systemic lupus erythematosus may be useful. Anterior segment fluorescein angiography in episcleritis reveals a normal vascular pattern but the flow rate is generally faster than normal and the whole transit of dye may be completed within two to three seconds.12 Anterior segment fluorescein angiography is rarely needed clinically in the diagnosis or management of episcleritis. High definition anterior segment ultrasound may also have a role in differentiating episcleritis from scleritis but is rarely necessary clinically

Treatment

Medical Therapy

Episcleritis is a self-limiting disease, thus it doesn't frequently require any treatment. If the symptoms are severe to require treatment, topical steroids generally provide rapid symptomatic relief and have proven benefit over topical non-steroidal anti-inflammatory treatment and topical lubricants.

Systemic treatment with oral non-steroidal antiinflammatory drugs such as cyclo-oxygenase inhibitors, may be required for episcleritis. In general any systemic disease should be treated on its merits and the episcleritis treated as necessary. Any local ocular disease, such as acne rosacea, atopy, or keratoconjunctivitis sicca that may be causing or contributing to the episcleritis, should be treated aggressively.

References

↑ Watson PG, Hayreh SS (1976). "Scleritis and episcleritis". Br J Ophthalmol. 60 (3): 163–91. PMC 1042706. PMID 1268179.

Template:WikiDoc Sources

[pmid1268179-1] Watson PG, Hayreh SS (1976). "Scleritis and episcleritis". Br J Ophthalmol. 60 (3): 163–91. PMC 1042706. PMID 1268179.

[1]

@@ Line 127: / Line 127: @@
 ==Diagnosis==
-===Diagnostic Criteria===
+Where indicated clinically, a small number of
-The diagnosis of [disease name] is made when at least [number] of the following [number] diagnostic criteria are met: [criterion 1], [criterion 2], [criterion 3], and [criterion 4].
+serological tests looking for rheumatoid arthritis or systemic lupus
+erythematosus may be useful.
-OR
+Anterior segment fluorescein angiography in episcleritis reveals
+a normal vascular pattern but the flow rate is generally faster than
-The diagnosis of [disease name] is based on the [criteria name] criteria, which include [criterion 1], [criterion 2], and [criterion 3].
+normal and the whole transit of dye may be completed within two
+to three seconds.12 Anterior segment fluorescein angiography is
-OR
+rarely needed clinically in the diagnosis or management of
+episcleritis. High definition anterior segment ultrasound may also
-The diagnosis of [disease name] is based on the [definition name] definition, which includes [criterion 1], [criterion 2], and [criterion 3].
+have a role in differentiating episcleritis from scleritis but is rarely
+necessary clinically
-OR
-There are no established criteria for the diagnosis of [disease name].
-===History and Symptoms===
-The majority of patients with [disease name] are asymptomatic.
-OR
-The hallmark of [disease name] is [finding]. A positive history of [finding 1] and [finding 2] is suggestive of [disease name]. The most common symptoms of [disease name] include [symptom 1], [symptom 2], and [symptom 3]. Common symptoms of [disease] include [symptom 1], [symptom 2], and [symptom 3]. Less common symptoms of [disease name] include [symptom 1], [symptom 2], and [symptom 3].
-===Physical Examination===
-Patients with [disease name] usually appear [general appearance]. Physical examination of patients with [disease name] is usually remarkable for [finding 1], [finding 2], and [finding 3].
-OR
-Common physical examination findings of [disease name] include [finding 1], [finding 2], and [finding 3].
-OR
-The presence of [finding(s)] on physical examination is diagnostic of [disease name].
-OR
-The presence of [finding(s)] on physical examination is highly suggestive of [disease name].
-===Laboratory Findings===
-An elevated/reduced concentration of serum/blood/urinary/CSF/other [lab test] is diagnostic of [disease name].
-OR
-Laboratory findings consistent with the diagnosis of [disease name] include [abnormal test 1], [abnormal test 2], and [abnormal test 3].
-OR
-[Test] is usually normal among patients with [disease name].
-OR
-Some patients with [disease name] may have elevated/reduced concentration of [test], which is usually suggestive of [progression/complication].
-OR
-There are no diagnostic laboratory findings associated with [disease name].
-===Electrocardiogram===
-There are no ECG findings associated with [disease name].
-OR
-An ECG may be helpful in the diagnosis of [disease name]. Findings on an ECG suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-===X-ray===
-There are no x-ray findings associated with [disease name].
-OR
-An x-ray may be helpful in the diagnosis of [disease name]. Findings on an x-ray suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-OR
-There are no x-ray findings associated with [disease name]. However, an x-ray may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].
-===Echocardiography or Ultrasound===
-There are no echocardiography/ultrasound  findings associated with [disease name].
-OR
-Echocardiography/ultrasound  may be helpful in the diagnosis of [disease name]. Findings on an echocardiography/ultrasound suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-OR
-There are no echocardiography/ultrasound  findings associated with [disease name]. However, an echocardiography/ultrasound  may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].
-===CT scan===
-There are no CT scan findings associated with [disease name].
-OR
-[Location] CT scan may be helpful in the diagnosis of [disease name]. Findings on CT scan suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-OR
-There are no CT scan findings associated with [disease name]. However, a CT scan may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].
-===MRI===
-There are no MRI findings associated with [disease name].
-OR
-[Location] MRI may be helpful in the diagnosis of [disease name]. Findings on MRI suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-OR
-There are no MRI findings associated with [disease name]. However, a MRI may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].
-===Other Imaging Findings===
-There are no other imaging findings associated with [disease name].
-OR
-[Imaging modality] may be helpful in the diagnosis of [disease name]. Findings on an [imaging modality] suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-===Other Diagnostic Studies===
-There are no other diagnostic studies associated with [disease name].
-OR
-[Diagnostic study] may be helpful in the diagnosis of [disease name]. Findings suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
-OR
-Other diagnostic studies for [disease name] include [diagnostic study 1], which demonstrates [finding 1], [finding 2], and [finding 3], and [diagnostic study 2], which demonstrates [finding 1], [finding 2], and [finding 3].
 ==Treatment==