People May Ask

What Characterizes The Physical Appearance of Basal Cell Carcinoma in Terms of Morphology?

The distinctive hallmark of BCC lies in its waxy, pinkish, and pearlescent visual aspect. Typically, these abnormal growths encompass conspicuous subepidermal blood vessels, also known as telangiectasia, alongside the presence of ulceration. It is crucial to underscore that BCCs are predominantly observed on skin areas with hair follicles, with a particular predilection for the facial region.

Is The Excision of Dermatofibroma A Beneficial Choice?

In the event that you come across a dermatofibroma on your skin, there's no urgency to seek immediate treatment. These skin nodules are benign, non-malignant, and medically unnecessary for removal. Nevertheless, if a particular bump or spot is causing you discomfort or dissatisfaction, you may opt for its removal for cosmetic considerations.

What Does A Firm, Subcutaneous Nodule Known As A Dermatofibroma Represent?

A dermatofibroma is described as a firm, miniature nodule that arises beneath the skin surface. This dermal protuberance is typically benign, albeit it may occasionally induce discomfort or irritation. While the precise etiology of dermatofibromas remains uncertain, certain individuals have recounted experiencing splinters, insect bites, or minor traumas at the site where these bumps manifest.

Methods to Reduce The Size of Dermatofibroma

Dermatofibromas are benign growths that typically do not necessitate medical intervention. Nonetheless, their removal may be considered for aesthetic purposes or in cases where they cause discomfort such as pain or itching. Among the available treatment modalities are: Cortisone injections, which have the potential to diminish the size of dermatofibromas, though their primary function is to alleviate accompanying pain or irritation.

Strategies for Reducing The Prominence of Dermatofibromas

While intra-lesional steroid administrations present a viable treatment choice, it's important to note that they are primarily effective in diminishing the prominence of the bump. Alternatively, techniques such as cryotherapy, cryosurgery, laser therapy, and excision are also available as options, yet each of these methods is likely to result in the formation of a scar at the site where the dermatofibroma once resided.

Is It Possible to Administer Liquid Nitrogen As A Treatment Method for Dermatofibroma?

This approach employs a liquid coolant (primarily liquid nitrogen) to immobilize and eliminate the superficial layer of the growth. After the procedure, the dermatofibroma will become less conspicuous, albeit leaving a faint white scar on the skin. However, it's worth noting that cryotherapy does not provide a long-lasting solution.

Is There A Potential for Dermatofibroma to Transform into A Malignant Condition?

Although dermatofibromas are typically benign in nature, there are exceptional circumstances where cellular dermatofibromas may demonstrate metastatic tendencies. Therefore, it is crucial to maintain rigorous follow-up on any recurrent lesions to eliminate the possibility of malignancy. Additionally, similar vigilance should be exercised in monitoring lesions exhibiting atypical characteristics during histologic assessment.

What Is The Outcome of Dermatofibroma Being Subjected to The Process of Freezing?

This approach employs a liquid coolant (primarily liquid nitrogen) to immobilize and eliminate the superficial layer of the growth. After the procedure, the dermatofibroma will become less conspicuous, albeit leaving a faint white scar on the skin. However, it's worth noting that cryotherapy does not provide a long-lasting solution.

Is The Removal of Dermatofibromas Necessary?

Although they pose no harm, some individuals may find them aesthetically displeasing and opt for their removal. The need for treatment typically arises when they undergo significant growth or cause consistent discomfort, while elimination for purely cosmetic reasons is not always necessary.

Does Dermatofibroma Possess A Crusty Texture?

Dermatofibromas typically manifest as solitary nodules that arise on extremities, predominantly the lower legs. These nodules are mobile and range from firm to hard in texture, measuring between 0.5 and 1.0 cm in diameter. The surface of the skin where they occur is generally smooth, albeit occasionally displaying scaly patches.

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How Can Dermoscopy Images Be Captured?

Dermoscopy images can be captured and stored in different ways, such as: • Using a smartphone or tablet with dermoscopic adapter, which consisted in the package.• Using a digital camera

Dermoscopy images can be captured and stored in different ways, such as:

• Using a smartphone or tablet with dermoscopic adapter, which consisted in the package.
• Using a digital camera with dermoscopic adapter, there’s 49mm screw size camera adapter available to order now.

Compatible phone/tablet models:
All iPhone models, 95% Android phones, 90% tablet. For phone/tablet size in 5.25-14mm

Compatible camera models:
All camera with built 49mm filter screw, such as Canon EOS 70D, 80D, 90D; Canon EOS R7, R10, R50, R100; Canon M100, M200, M50, Mark II; Canon G7X Mark III, Sony ZV-1

How Can I Connect My Phone to My Dermatoscope?

There’s universal phone adapter for all our dermoscopes. Please check the installation procedure bellow or watch operation guide. Smartphone Connector (1) Place phone adapter screw in the center of smartphone’s

There’s universal phone adapter for all our dermoscopes. Please check the installation procedure bellow or watch operation guide.

Smartphone Connector

(1) Place phone adapter screw in the center of smartphone’s main camera.
(2) Screw magnet attachment on phone adapter.
(3) Put dermoscope’s back ring and magnet attachment together

Take The Best Images

You need to adjust the focus ring after the dermoscpe connected on smartphone to get the best images.

How Can I Clean My Dermoscopy after Usage?

Cleaning your dermoscopy after usage is important to prevent cross-contamination and infection. The cleaning method may vary depending on the type and model of your dermoscopy, so you should always

Cleaning your dermoscopy after usage is important to prevent cross-contamination and infection. The cleaning method may vary depending on the type and model of your dermoscopy, so you should always follow the manufacturer’s instructions. However, some general steps are:

• Turn off and disconnect your dermoscopy from any power source or device.

• Wipe off any visible dirt or debris from the dermoscopy with a soft cloth or tissue.

• Disinfect the dermoscopy with an alcohol-based wipe or spray, or a disinfectant solution recommended by the manufacturer. Make sure to cover all surfaces, especially the lens and contact plate.

• Let the dermoscopy air dry completely before storing it in a clean and dry place.

• Do not use abrasive or corrosive cleaners, solvents, or detergents that may damage the dermoscopy.

• Do not immerse the dermoscopy in water or any liquid, unless it is waterproof and designed for immersion.

You should clean your dermoscopy after each use, or at least once a day if you use it frequently. You should also check your dermoscopy regularly for any signs of damage or malfunction, and contact the manufacturer or service provider if needed.

Polarized VS Non-Polarized Dermoscopy

A dermoscopy is a device that allows the examination of skin lesions with magnificationand illumination. By revealing subsurface structures and patterns that are not visible tothe naked eye. It can

A dermoscopy is a device that allows the examination of skin lesions with magnificationand illumination. By revealing subsurface structures and patterns that are not visible tothe naked eye. It can improve the diagnose accuracy of skin lesions, such as melanoma,basal cell carcinoma, seborrheic keratosis, etc.

There are two main types of dermoscopy: Non polarized and polarized dermoscopy.We’ve fitted most of our dermoscopys with polarized and non-polarized light. They canbe used in multiple skin structures.

Non-polarized contact Mode

In non-polarized mode, the instrument can provide information about the superficialskin structures, such as milia-like cysts, comedo-like openings, and pigment in theepidemis.

The dermoscopy requires applying a liquid such as mineral oil or alcohol to the skin andplacing the lens in contact with the skin. This reduces surface reflection and enhancesthe view of subsurface structures.

Image with non-polarized light (DE-3100)

Polarized contact Mode

In polarized mode, the instrument allows for visualization for deeper skin structures,such as blood vessels, collagen, and pigment in the dermis.

The dermoscopy does not need to be in contact with the skin or use any liquid. Theirpolarized light can help to eliminate surface reflection and allow visualization ofvascular structures.

Image with polarized light (DE-3100)

Polarized non-contact Mode

The dermoscopy can also use polarized light to examine the skin without direct contact.

In polarized non-contact mode, the instrument allows for examination infected areasand lesions that are painful for the patient, or the difficult to contact pigmented lesions,such as nails and narrow areas.

The contact plate should be removed in this mode, and it does not require applying aliquid to the skin. As it doesn’t require pressure or fluid application on the skin, it canalso avoid cross-contamination and infection risk.

Image in polarized non-contact mode (DE-3100)

How Effectiveness Is Dermoscopy

Compared with visual inspection, the dermoscopy can be used to capture and store skin lesion photos, which play an important role in early skin cancer examination. The dermoscopy allows the

Compared with visual inspection, the dermoscopy can be used to capture and store skin lesion photos, which play an important role in early skin cancer examination.

The dermoscopy allows the examination of skin lesions with magnification and illumination. This can be greatly avoiding the factors that cause interference to visual detection. Such as lighting, skin color, hair and cosmetics.

Several studies have demonstrated that dermoscopy is useful in the identification of melanoma, when used by a trained professional.

It may improve the accuracy of clinical diagnosis by up to 35%
It may reduce the number of harmless lesions that are removed
In primary care, it may increase the referral of more worrisome lesions and reduce the referral of more trivial ones

A 2018 Cochrane meta-analysis published the accuracy of dermoscopy in the detection.

Table 1. Accuracy of dermoscopy in the detection of melanoma in adults
Detection Method Sensitivity, % Specificity, % Positive Likelihood Ratio NegativeLikelihood Ratio
Visual inspection alone (in person) 76 75 3.04 0.32
Dermoscopy with visual inspection (in person) 92 95 18 0.08
Image-based visual inspection alone (not in person) 47 42 0.81 1.3
Dermoscopy with image-based visual inspection (not in person) 81 82 4.5 0.23
ROC—receiver operating characteristic. *Estimated sensitivity calculated on the summary ROC curve at a fixed specificity of 80%.

As we can see, the dermoscope can improve the accuracy of diagnosis of skin lesions, especially melanoma.

Table 1. Accuracy of dermoscopy in the detection of melanoma in adults
Detection Method Sensitivity, % Specificity, % Positive Likelihood Ratio NegativeLikelihood Ratio
Visual inspection alone (in person) 79 77 3.4 0.27
Dermoscopy with visual inspection (in person) 93 99 93 0.07
Image-based visual inspection alone (not in person) 85 87 6.5 0.17
Dermoscopy with image-based visual inspection (not in person) 93 96 23 0.07
ROC—receiver operating characteristic. *Estimated sensitivity calculated on the summary ROC curve at a fixed specificity of 80%.

Characteristics of the dermatoscopic structure of the skin lesions include:

• Symmetry or asymmetry
• Homogeny/uniformity (sameness) or heterogeny (structural differences across the lesion)
• Distribution of pigment: brown lines, dots, clods and structureless areas
• Skin surface keratin: small white cysts, crypts, fissures
• Vascular morphology and pattern: regular or irregular
• Border of the lesion: fading, sharply cut off or radial streaks
• Presence of ulceration

There are specific dermoscopic patterns that aid in the diagnosis of the following pigmented skin lesions:

• Melanoma
• Moles (benign melanocytic naevus)
• Freckles (lentigos)
• Atypical naevi
• Blue naevi
• Seborrhoeic keratosis
• Pigmented basal cell carcinoma
• Haemangioma

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