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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sahar Memar Montazerin, M.D.[2]

Synonyms and keywords:

Overview

Historical Perspective

  • Papa syndrome was first discovered by Dr. Noralane M. Lindor, in 1997 following visiting several patients from three generations of a family with similar presentations.[1]
  • The association between PSTPIP1 gene mutation and Papa syndrome was made in the year 2000.[2]

Classification

  • There is no established system for the classification of Papa syndrome.

Pathophysiology

  • The exact pathogenesis of Papa syndrome 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

  • Papa syndrome is caused by a mutation in the PSTPIP1 gene.[2]

Differentiating ((Page name)) from Other Diseases

  • Papa syndrome must be differentiated from other diseases that cause arthritis , skin rash, and pyoderma gangeronosum, such as [differential dx1], [differential dx2], and [differential dx3].

Epidemiology and Demographics

  • The prevalence of Papa syndrome is approximately 0.1 case per 100,000 individuals worldwide.
  • Papa syndrome commonly affects individuals younger individuals. However, it may develop later in some individuals.
  • There is no racial predilection to Papa syndrome.
  • Papa syndrome affects men and women equally.
  • The majority of Papa syndrome cases are reported in Europe, New Zealand, and the USA.

Risk Factors

  • There are no established risk factors for Papa syndrome.

Screening

  • There is insufficient evidence to recommend routine screening for Papa syndrome.

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

Diagnostic Study of Choice

  • There are no established criteria for the diagnosis of Papa syndrome. The diagnosis may be made clinically.
  • Genetic analysis and location of a mutation in the PSTPIP1 gene may be done for the confirmation of the diagnosis. However, there are reported cases of Papa syndrome with negative genetic results.

History and Symptoms

  • A positive history of recurrent arthritis, skin ulceration, and acne is suggestive of Papa syndrome.
  • The presenting symptom of Papa syndrome is usually culture-negative arthritis.

Physical Examination

  • Physical examination of patients with Papa syndrome is usually remarkable for arthritis, cystic acne, pathergy, and pyoderma gangeronosum.
  • Fever may also accompany each flare of the disease.

Laboratory Findings

  • Laboratory findings consistent with the diagnosis of Papa syndrome include elevated serum levels of C-reactive protein (CRP), Erythrocyte sedimentation rate (ESR), and WBC.

Electrocardiogram

  • There are no ECG findings associated with Papa syndrome.

X-ray

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 Papa syndrome.

Other Diagnostic Studies

  • There are no other diagnostic studies associated with Papa syndrome.

Treatment

Medical Therapy

  • There is no treatment for Papa syndrome; the mainstay of therapy is supportive care.

Surgery

  • Surgical intervention is not recommended for the management of Papa syndrome.

Primary Prevention

  • There are no established measures for the primary prevention of Papa syndrome.

Secondary Prevention

  • There are no established measures for the secondary prevention of Papa syndrome.

References

  1. Lindor, Noralane M.; Arsenault, Todd M.; Solomon, Herman; Seidman, Christine E.; McEvoy, Marian T. (1997). "A New Autosomal Dominant Disorder of Pyogenic Sterile Arthritis, Pyoderma Gangrenosum, and Acne: PAPA Syndrome". Mayo Clinic Proceedings. 72 (7): 611–615. doi:10.4065/72.7.611. ISSN 0025-6196.
  2. 2.0 2.1 Yeon, Howard B.; Lindor, Noralane M.; Seidman, J.G.; Seidman, Christine E. (2000). "Pyogenic Arthritis, Pyoderma Gangrenosum, and Acne Syndrome Maps to Chromosome 15q". The American Journal of Human Genetics. 66 (4): 1443–1448. doi:10.1086/302866. ISSN 0002-9297.


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