Recalcitrant Pigmentation Treatment | Trinity Dermatology Clinic

TRINITY DERMATOLOGY CLINIC

Recalcitrant Pigmentation

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Definition

What are recalcitrant pigmented lesions
that persist despite repeated treatment?

Recalcitrant pigmented lesions may have a more complex distribution and depth than common dark spots and may require repeated treatment with careful monitoring.
Common examples include aberrant Mongolian spots, café-au-lait macules, and nevus of Ota,
which vary in appearance according to when and where they develop and their color.

Other lesions, such as congenital melanocytic nevi and Becker nevi, require assessment not only of pigmentation but also of skin-tissue characteristics and hair distribution.
Because treatment response and the possibility of recurrence vary, high-output treatment alone may not be appropriate.

Trinity Dermatology Clinic carefully evaluates the lesion type and depth, skin response, and treatment history before planning treatment intensity and intervals with a long-term perspective.

Cases

Recalcitrant pigmentation
can appear in many forms.

Because each lesion develops at a different depth and responds differently,
accurate identification is the essential first step.

Persistent blue-gray patches appear on the trunk or limbs outside the buttock area
A well-defined, light-brown patch has been present since birth or early infancy
A blue-gray or brown patch appears on one side around the eye and cheekbone
Treatment is needed for a congenital nevus or a brown patch with increased hair growth

Pigment Types

Common Types of
Recalcitrant Pigmentation

Color, location, time of onset, and tissue characteristics are assessed together
to distinguish these lesions from common pigmentation concerns.

TYPE 01 Aberrant Mongolian Spots

Blue-gray or bluish patches that persist in atypical areas such as the trunk or limbs, beyond the buttocks and lower back.

TYPE 02 Café-au-Lait Macules

Light-brown patches often present at birth or appearing in early childhood, typically with relatively even borders and color.

TYPE 03 Nevus of Ota

Blue-gray or brown pigmentation that usually appears on one side around the eye, cheekbone, or forehead and requires treatment that accounts for pigment in the dermis.

TYPE 04 Congenital Melanocytic Nevus

A brown or black nevus visible at or shortly after birth. Its size, thickness, surface, and associated hair growth are evaluated together.

TYPE 05 Becker Nevus

A broad brown patch that often develops on the shoulder, chest, or back during adolescence and may be accompanied by coarse hair growth.

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Diagnostic Precision

Accurate diagnosis
is critical to treatment success.

Even with the same diagnosis, recalcitrant pigmented lesions can differ in pigment location, patient age, skin thickness, and the characteristics of the tissue forming the lesion.
If previous treatment produced little change, the issue may not be the device alone.
The accuracy of the diagnosis and suitability of the energy settings should also be reviewed.

Before treatment, Trinity Dermatology Clinic uses dermoscopy and MARK-VU imaging to differentiate the lesion through careful diagnosis.
The pigment distribution, borders, skin condition, and any associated conditions are evaluated together to plan the most appropriate treatment for the current presentation.

Treatment Approach

Selective Energy Modulation
for Recalcitrant Pigmentation

Rather than repeatedly using a single intensity, lower and higher energy settings are carefully combined
and alternated according to the lesion and skin condition.

Plan A Clear Treatment Plan

Before treatment begins, we clearly explain the typical number of sessions, treatment intervals, and expected course.

Goal Minimized Side Effects, Optimized Outcomes

Treatment is carefully planned to minimize side effects
while pursuing the best possible outcome.

Solution

Customized Combination of
Premium Devices

We combine lower and higher energy settings
to pursue the best possible outcome.

View All Equipment

Fotona StarWalker

Sculpio

Stellar M22

Clarity II

U-pulse Dual CO2

Matrixell Pro

Trinity System

A Long-Term Approach to
Recalcitrant Pigmentation Treatment

Rather than pursuing rapid removal, it is important to monitor the skin's response
and work toward steady improvement within a safe range.

Precise Diagnosis & Treatment Planning

Similar-looking pigment conditions are differentiated, and treatment goals and the expected course are defined for each lesion.

Selective Wavelength & Energy Settings

Wavelength, pulse width, and energy are adjusted to the depth of pigment in the epidermis and dermis.

Progress Monitoring & Recovery Care

Changes in color and inflammatory response are monitored after treatment, with sufficient intervals and recovery care provided.

Treatment Point

Key Considerations in
Recalcitrant Pigmentation Treatment

POINT
01

Treating recalcitrant pigmentation
takes time.

Drawing on extensive clinical experience, we provide clear guidance on the expected number of sessions,
treatment intervals, and likely course.

Rather than rushing, it is important to monitor whether the skin is responding as expected
and adjust lower and higher energy settings throughout the process.

POINT
02

We support you throughout
the treatment journey.

Concerns that may feel isolating or overwhelming are addressed
with clear explanations grounded in medical evidence.
Our staff will also be there to support you throughout the process.

At Trinity Dermatology Clinic, we care for both your skin and your peace of mind.

TRINITY DERMATOLOGY CLINIC

Confidence that blooms
from healthy skin
Trinity Dermatology Clinic

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