What Causes Cherry Angiomas?
May 31, 2021
Source: Cainiu Health
Dr. Liu Wan
Introduction
1. Hemangioma: Red moles appearing on the body may be caused by senile hemangiomas.
2. Capillary angioma: Red moles on the body may result from capillary angiomas, which typically present as bright red spots.
3. Endocrine factors: Chronic sleep deprivation or irregular eating patterns (e.g., skipping meals or overeating) can lead to endocrine disruption; combined with dietary factors, this may contribute to pigment deposition, resulting in red moles.
Cherry angiomas (also known as senile angiomas or cherry hemangiomas) commonly occur in middle-aged and elderly individuals, though they may also appear in adolescents. Typically, the lesions are bright red, often multiple in number, varying in size and quantity, and slightly elevated above the skin surface—appearing as dome-shaped, hemispherical papules. They most frequently develop on the trunk and proximal limbs; less commonly, they may occur on the scalp, face, distal limbs, hands, or feet. With advancing age, these lesions tend to increase in both size and number. So, what causes cherry angiomas? The following section addresses this question.
What Causes Cherry Angiomas?
1. Hemangioma
The appearance of red moles on the body may be due to senile (or cherry) hemangiomas—a benign vascular proliferation commonly seen in older adults, though occasionally observed in adolescents. Clinically, these lesions present as cherry-red papules measuring 1–5 mm in diameter and 1–2 mm in height, with a soft, hemispherical texture. They blanch upon diascopic pressure (e.g., using a glass slide), vary in number, and tend to increase in frequency with age. Some lesions may be surrounded by a pale halo (an “anemic halo”). Additionally, mosquito bites—common during summer—usually require no specific treatment; the small red spots typically resolve spontaneously over time.
2. Capillary Nevus
Red moles may also result from capillary nevi (capillary malformations). These manifest as bright red macules or patches, often appearing at birth or shortly thereafter—predominantly on the face, neck, or scalp. They are usually unilateral, irregularly shaped, with well-defined borders. Associated features include telangiectasia (visible dilated capillaries); partial or complete blanching occurs upon pressure. The surface is typically smooth. A thorough clinical evaluation—including dermatoscopic examination—is necessary for definitive diagnosis. Furthermore, if the lesion lies flat on the skin and blanches with light pressure, it should be considered a petechia (a pinpoint hemorrhage).
3. Endocrine Factors
Chronic sleep deprivation or irregular eating patterns (e.g., skipping meals or binge eating) may disrupt endocrine homeostasis. Concurrent consumption of highly pigmented foods—such as soy sauce—may promote pigment deposition, potentially contributing to the development of red moles. Obesity further predisposes individuals to endocrine dysregulation; impaired sweat excretion may exacerbate systemic imbalances, increasing susceptibility to various types of nevi—including cherry angiomas. Moreover, spider angiomas—another potential cause of red moles—are idiopathic telangiectasias resulting from localized dilation of terminal arteriolar branches in the skin.
The above outlines the primary etiologies underlying cherry angiomas. We hope this information proves helpful.
