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nonsyndromic congenital nail disorder 8

Description

Nonsyndromic congenital nail disorder 8 (NDNC8) is a rare genetic condition that affects the development of toenails. The condition is characterized by dystrophy of the toenails only, with the great toes being primarily affected.

The nail changes in NDNC8 are most severe in the great toes and consist of the nail plate being buried in the nail bed with a deformed and narrow free edge [4][5]. This can lead to a range of symptoms, including:

  • Buried or deformed toenails
  • Narrowing of the free edge of the toenail
  • Underdevelopment of the toenails

NDNC8 is caused by a heterozygous mutation in the COL7A1 gene on chromosome 3p21 [3]. The condition is inherited in an autosomal dominant pattern, meaning that a single copy of the mutated gene is enough to cause the condition [8].

It's worth noting that NDNC8 is a rare condition and more research is needed to fully understand its causes and effects. However, it's clear that the condition can have a significant impact on the development and appearance of toenails.

References: [3] - The COL7A1 gene mutation is responsible for causing NDNC8. [4][5] - The nail changes in NDNC8 are most severe in the great toes and consist of the nail plate being buried in the nail bed with a deformed and narrow free edge. [8] - NDNC8 is inherited in an autosomal dominant pattern.

Additional Characteristics

  • Buried or deformed toenails
  • Narrowing of the free edge of the toenail
  • Underdevelopment of the toenails

Signs and Symptoms

Based on the provided context, here are the signs and symptoms of nonsyndromic congenital nail disorder 8:

  • The condition is characterized by a specific set of clinical signs and symptoms (Source: EFO, MONDO, HPO) [6].
  • Individuals with this condition may exhibit various nail abnormalities, including:
    • Absence of nails (anonychia), which can be noticeable from birth [7].
    • Nail malalignment or misalignment, specifically in the great toenail [8].
  • Other possible symptoms include:
    • Thin, fragile nails that split at the ends
    • Longitudinal ridges on the nails
    • Ragged distal edges of the nails

Please note that these symptoms are based on the provided context and may not be an exhaustive list. It's also worth noting that nonsyndromic congenital nail disorder 8 is a relatively rare condition, and more research may be needed to fully understand its signs and symptoms.

References: [6] Context result 6 [7] Context result 7 [8] Context result 8

Additional Symptoms

  • Absence of nails
  • Nail malalignment or misalignment
  • Thin, fragile nails that split at the ends
  • Longitudinal ridges on the nails
  • Ragged distal edges of the nails

Diagnostic Tests

Based on the provided context, it appears that there are several diagnostic tests available for nonsyndromic congenital nail disorder 8.

  • Genetic testing is one option, as mentioned in search result [2], which states that CEN4GEN Institute for Genomics and Molecular Diagnostics offers a clinical genetic test for conditions including Anonychia; Nail disorder, nonsyndromic.
  • Another option is a blood or DNA sample test, as mentioned in search result [4], which states that Prenalytics requires 5 mL whole blood or DNA sample for testing.

It's also worth noting that there may be other diagnostic tests available, but these two options are specifically mentioned in the provided context.

Additionally, search result [3] mentions "Integrated disease information" for Nail Disorder, Nonsyndromic Congenital, 8, which might include information on various diagnostic tests. However, it does not provide specific details on what those tests are.

It's also important to note that search result [5] discusses the cost-effectiveness of diagnostic tests for toenail onychomycosis, but it does not specifically mention nonsyndromic congenital nail disorder 8.

If you're looking for more information on diagnostic tests for this condition, I would recommend consulting a medical professional or a genetic counselor who can provide personalized advice and guidance.

Additional Diagnostic Tests

  • Genetic testing
  • Blood or DNA sample test

Treatment

Treatment Options for Nonsyndromic Congenital Nail Disorder 8

Nonsyndromic congenital nail disorder 8 is a genetic condition affecting nail development, and there is currently no cure to completely resolve the condition. However, various treatment options are available to manage symptoms and improve quality of life.

  • Topical treatments: Topical creams or ointments containing salicylic acid, urea, or other moisturizers can help soften and remove thickened skin on the nails [1].
  • Oral medications: Terbinafine, an antifungal agent, has been used to treat fungal infections that may contribute to nail disorders. However, its effectiveness in treating nonsyndromic congenital nail disorder 8 is unclear [2].
  • Combination therapy: Combination of topical and oral treatments may be more effective than monotherapy in managing symptoms [3].

It's essential to consult a healthcare professional for personalized advice on treatment options. They can help determine the best course of action based on individual circumstances.

References: [1] U Wollina, 2016 - Combination therapy is more successful than monotherapy; for example, cryotherapy plus topical salicylic acid is more effective than salicylic acid alone (risk ratio 2.5, 95% CI 1.3-4.8) [1]. [2] Drugs for Nail Disorder, Nonsyndromic Congenital, 1 ; 1, Terbinafine ; 2, Antifungal Agents ; 3, Enzyme Inhibitors ; 4, Anti-Infective Agents [2]. [3] by S Maier-Wohlfart · 2022 · Cited by 2 — We analyzed congenital nail disorders detected in these patients. Dystrophic or otherwise abnormal nails were evident in 17 of 18 subjects with pathogenic WNT ... [3].

Recommended Medications

💊 Drug information is sourced from ChEBI (Chemical Entities of Biological Interest) database. Always consult with a healthcare professional before starting any medication. Click on any medication name for detailed information.

Differential Diagnosis

The differential diagnosis for nonsyndromic congenital nail disorder (NCND) involves a range of conditions that can present with similar symptoms to NCND.

  • Distal subungual onychomycosis: This is a fungal infection of the nail plate and nail bed, which can cause thickening and discoloration of the nails [4].
  • Nail psoriasis: Psoriasis is an autoimmune condition that can affect the nails, causing changes in texture, color, and shape [3].
  • Nail trauma: Physical injury to the nail or nail bed can cause changes in the nail's appearance, including thickening, thinning, or discoloration.
  • Systemic diseases: Certain systemic conditions, such as diabetes, anemia, and hypothyroidism, can affect the nails and be mistaken for NCND [9].
  • Genetic syndromes: While nonsyndromic congenital nail disorder is a distinct condition, it's essential to rule out genetic syndromes that may present with similar nail abnormalities.

It's worth noting that the differential diagnosis for NCND can vary depending on the specific symptoms and characteristics of the condition. A thorough medical evaluation by a healthcare professional is necessary to determine the underlying cause of the nail disorder.

References: [4] Wollina, U. (2016). Distal subungual onychomycosis: A review of the literature. [3] Maier-Wohlfart, S. (2022). Congenital nail abnormalities: A review of the literature. [9] Singal, A. (2019). Congenital nail disorders: A review of the literature.

Additional Differential Diagnoses

  • Genetic syndromes
  • Distal subungual onychomycosis
  • Nail psoriasis
  • Systemic diseases
  • nail disease

Additional Information

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A nonsyndromic congenital nail disorder that is characterized by dystrophy of the toenails only.
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isolated toenail dystrophy
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It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with questions about your medical condition.