• Head and Face
• Shoulders and Upper Arms
• Neck Area
• Chest and Abdomen
• Scalp
• Facial Regions
• Forearms, Including Palms and Back
• Groin Region
• Legs - Front and Back
• Hands and Feet — Dorsal and Palmar Surfaces, Between Fingers and Toes, and Under Nails

Diagnosing Melanoma Through Biopsies
Routine skin examinations performed by healthcare professionals, especially family physicians or dermatologists, are essential for early melanoma detection. During these assessments, the doctor carefully examines the skin for irregular moles, spots, or lesions that appear suspicious or abnormal. If certain areas raise concern—perhaps due to atypical features, personal history of sun exposure, tanning habits, or family history of skin cancer—your doctor may recommend performing a biopsy. A biopsy involves extracting a small sample of skin tissue for laboratory examination to confirm whether melanoma or another skin condition is present. Multiple biopsy techniques exist, each suited for different scenarios depending on the lesion's size, location, and characteristics.

• Punch Biopsy
  This technique involves the use of a circular surgical instrument to remove a small, round sample from the suspicious mole or lesion. The device cuts through all the layers of the skin, providing a precise specimen for histopathological analysis. Punch biopsies are most commonly performed for small, raised, or flat pigmented moles that exhibit irregular features.

• Optical (Non-Invasive) Biopsy
  This innovative method employs reflectance confocal microscopy (RCM), a high-resolution imaging technology that provides real-time, in vivo visualization of skin layers without any need for tissue removal. This non-invasive approach allows dermatologists to examine suspicious areas closely, aiding in decision-making about whether a biopsy or further intervention is necessary. Optical biopsy techniques are particularly useful for monitoring pigmented lesions over time and reducing unnecessary surgical procedures.
• Shave (Tangential) Biopsy
  The shave biopsy involves shaving off the topmost layers of skin, typically using a surgical blade. This technique is ideal for raised, superficial lesions, such as certain moles or benign growths, that are not deeply rooted. Sometimes, cauterization is used afterward to stop bleeding and close the wound. This method is quick, minimally invasive, and produces minimal scarring, making it suitable for accessible skin areas.
• Fine Needle Aspiration (FNA) Biopsy
  FNA biopsy involves inserting a thin, hollow needle into a lesion, often with the guidance of imaging technologies like ultrasound or CT scans. The needle aspirates cells or fluid from the suspicious area, which are then examined under a microscope. This procedure is frequently employed to evaluate deeply situated nodules or lymph nodes that may harbor metastatic melanoma, helping determine if cancer has spread beyond the primary site.
• Incisional Biopsy
  When a lesion is large or irregular, an incisional biopsy may be performed. This technique involves removing a portion of the suspicious growth, providing ample tissue for comprehensive pathological evaluation. Incisional biopsies are especially valuable when the entire lesion cannot be excised or when a deeper tissue sample is needed for diagnosis.
• Sentinel and Full Surgical Biopsies
  For advanced melanoma cases, more comprehensive procedures are performed to assess the extent of spread, particularly in the lymphatic system. Sentinel node biopsy involves injecting a dye or radioactive tracer near the tumor site to identify the primary lymph nodes that drain the area. These specific nodes are then surgically removed and examined for cancer cells. If metastasis is detected, a more extensive surgical excision of affected lymph nodes may follow. Full surgical biopsies involve removing larger tissue sections or entire lymph nodes to evaluate the invasive spread of melanoma, guiding staging and treatment planning.