Abstract
Background: Angiokeratoma is a group of benign vascular telangiectasias in the superficial dermis associated with hyperkeratosis of the epidermis. There are different types of angiokeratoma and the color of the lesions—pink, red, dusky red, blue-red—depends on their age. Materials and Methods: Twenty-four patients with different varieties of angiokeratoma were collected from April 2013 through March 2020 and classified according to well-defined types. Each patient gave their formal consent after the nature of the disease was explained to them. Full medical history taking and clinical examination were performed on all patients. Skin biopsies were taken from 12 cases and processed for histopathology with H&E stain. As for therapy, diathermy was used for the treatment of selected localized cases, especially those on the scrotum. Results: Twenty-four cases with different types of angiokeratoma were evaluated, 19 (79.16%) males and 5 (20.83%) females, with ages ranging from 13 to 25 years and a mean age of 19 years. The age of onset was most commonly around adolescence and early adulthood. The lesions were classified into the following: 11 (45.83%) cases of Fordyce, 5 (20.83%) cases solitary, 4 (16.66%) cases circumscriptum, 3 (12.5%) cases oral (on the tongue), and one (4.16%) corporis diffusum (Fabry disease). All patients displayed warty red, blue, or black papules, nodules, or plaques, with the exception of isolated angiokeratoma. Their histopathology revealed hyperkeratosis of the epidermis, which could have been mild or marked acanthosis, as seen in the form of pseudoepithelial hyperplasia with marked elongation of rete ridges. As a dermal change, markedly dilated blood vessels occupied the papillary and reticular dermis. Diathermy was an effective mode of therapy in selected patients with satisfactory cosmetic and therapeutic results. Conclusion: All types of angiokeratoma were recognized but the most common were angiokeratoma of Fordyce, mainly affecting male genitalia, followed by solitary angiokeratoma, affecting mainly the limbs, and angiokeratoma circumscriptum linearly along the limbs. Oral angiokeratoma of the tongue appeared in three patients. All these types have a characteristic presentation that is easy to recognize: warty dusky-red lesions.
Highlights
Angiokeratomas are well-circumscribed vascular lesions characterized by superficial vascular ectasia and hyperkeratosis [1]
With the exception of isolated angiokeratoma of the tongue seen in two sisters, no family history of angiokeratoma was recorded with the other types of angiokeratoma
To the best of our knowledge, this is the first study of angiokeratoma in Iraq on a significant number of cases in which clinical and histopathological examination and classification of the different types of angiokeratoma were performed
Summary
Angiokeratomas are well-circumscribed vascular lesions characterized by superficial vascular ectasia and hyperkeratosis [1]. This is the most common type and one that is frequent in males [2]. Materials and Methods: Twenty-four patients with different varieties of angiokeratoma were collected from April 2013 through March 2020 and classified according to well-defined types. All patients displayed warty red, blue, or black papules, nodules, or plaques, with the exception of isolated angiokeratoma. Their histopathology revealed hyperkeratosis of the epidermis, which could have been mild or marked acanthosis, as seen in the form of pseudoepithelial hyperplasia with marked elongation of rete ridges. Oral angiokeratoma of the tongue appeared in three patients All these types have a characteristic presentation that is easy to recognize: warty dusky-red lesions
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