The list of signs and symptoms mentioned in various sources for Acral lentiginous melanoma includes the 9 symptoms listed below:
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Common sites for melanoma are on the head and neck in men, on the legs in women, and on the backs of persons exposed to excessive sunlight. Up to 70% arise from a preexisting nevus. It rarely appears in the conjunctiva, choroid, pharynx, mouth, vagina, or anus.
Suspect melanoma when any skin lesion or nevus enlarges, changes color, becomes inflamed or sore, itches, ulcerates, bleeds, undergoes textural changes, or shows signs of surrounding pigment regression (halo nevus or vitiligo). (See Recognizing potentially malignant nevi, page 134.)
Each type of melanoma has special characteristics:
❑Superficial spreading melanoma, the most common, usually develops between ages 40 and 50. Such a lesion arises on an area of chronic irritation. In women, it's most common between the knees and ankles; in Blacks and Asians, on the toe webs and soles (lightly pigmented areas subject to trauma). Characteristically, this melanoma has a red, white, and blue color over a brown or black background and an irregular, notched margin. Its surface is irregular, with small, elevated tumor nodules that may ulcerate and bleed. Horizontal growth may continue for many years; when vertical growth begins, prognosis worsens.
❑Nodular melanoma usually develops between ages 40 and 50, grows vertically, invades the dermis, and metastasizes early. Such a lesion is usually a polypoidal nodule, with uniformly dark discoloration (it may be grayish), and looks like a blackberry. Occasionally, this melanoma is flesh-colored, with flecks of pigment around its base (possibly inflamed).
❑Lentigo maligna melanoma is relatively rare. It arises from a lentigo maligna on an exposed skin surface and usually occurs between ages 60 and 70. This lesion looks like a large (3- to 6-cm) flat freckle of tan, brown, black, whitish, or slate color and has irregularly scattered black nodules on the surface. It develops slowly, usually over many years, and eventually may ulcerate. This melanoma commonly develops under the fingernails, on the face, and on the back of the hands.
Source: Professional Guide to Diseases (Eighth Edition), 2005
Common sites for melanoma are on the head and neck in men, on the legs in women, and on the backs of people exposed to excessive sunlight. Up to 70% arise from a preexisting nevus. They rarely appear in the conjunctiva, choroid, pharynx, mouth, vagina, or anus.
Suspect melanoma by using the ABCD Rule of Melanoma:
Asymmetry of borders
Bleeding or crusting
Color blue/black or variegated
Diameter greater than 2¼" (5.7 cm).
Each type of melanoma has special characteristics:
❑ Superficial spreading melanoma arises on chronically sun-exposed areas, such as the legs and upper back. Characteristically, it has a red, white, and blue color over a brown or black background and an irregular, notched margin. Its surface is irregular, with small, elevated tumor nodules that may ulcerate and bleed. Horizontal growth may continue for many years; when vertical growth begins, the prognosis worsens.
❑ Nodular malignant melanoma occurs more commonly in men and can be located anywhere on the body. It’s the most frequently misdiagnosed melanoma because it resembles a blood blister or polyp.
❑ Lentigo maligna melanoma commonly develops under the fingernails, on the face, and on the backs of the hands. This lesion looks like a large (1" to 2" [2.5- to 5-cm]), flat freckle of tan, brown, black, whitish, or slate color, and has irregularly scattered black nodules on the surface. It develops slowly, usually over many years, and eventually may ulcerate.
❑ Acral-lentiginous melanoma is more common in Asian and Black individuals.
Source: Handbook of Diseases, 2003
Onset of Acral lentiginous melanoma: 60 to 70 yrs
These general reference articles may be of interest in relation to medical signs and symptoms of disease in general:
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The symptom information on this page attempts to provide a list of some possible signs and symptoms of Acral lentiginous melanoma. This signs and symptoms information for Acral lentiginous melanoma has been gathered from various sources, may not be fully accurate, and may not be the full list of Acral lentiginous melanoma signs or Acral lentiginous melanoma symptoms. Furthermore, signs and symptoms of Acral lentiginous melanoma may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Acral lentiginous melanoma symptoms.
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