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  Table of Contents  
Year : 2017  |  Volume : 8  |  Issue : 5  |  Page : 375-376  

Cutaneous xanthomas in a young child: Familial hypercholesterolemia

1 Department of Paediatrics, Postgraduate Institute of Medical Education and Research; Dr. R.M.L. Hospital, New Delhi, India
2 Department of Pathology, Postgraduate Institute of Medical Education and Research; Dr. R.M.L. Hospital, New Delhi, India

Date of Web Publication15-Sep-2017

Correspondence Address:
Prajwala Gupta
Department of Pathology, OPD Building, 3rd Floor, Room No 302, Dr. R.M.L Hospital, New Delhi - 110 001
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/idoj.IDOJ_170_16

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How to cite this article:
Kumar S, Gupta P, Bhardwaj M, Sachan D. Cutaneous xanthomas in a young child: Familial hypercholesterolemia. Indian Dermatol Online J 2017;8:375-6

How to cite this URL:
Kumar S, Gupta P, Bhardwaj M, Sachan D. Cutaneous xanthomas in a young child: Familial hypercholesterolemia. Indian Dermatol Online J [serial online] 2017 [cited 2022 Jan 26];8:375-6. Available from: https://www.idoj.in/text.asp?2017/8/5/375/214705


Xanthomas are non-neoplastic lesions characterized by yellowish papules, plaques, or nodules due to accumulation of fat-laden macrophages in the dermis and subcutis.[1]

A 6-year-old, non-obese girl presented to the paediatrics outpatient department with a history of multiple, yellowish plaques, papules, and nodules over the body for past 1 year with a gradual increase in size. These lesions involved the bilateral elbow, knee, knuckle, lateral malleolus, gluteal region, and left upper eyelid and were associated with itching [Figure 1]a,[Figure 1]b,[Figure 1]c,[Figure 1]d. The nodules over the knuckles were cystic in consistency. There was absence of similar lesions and cardiovascular disease in other family members.
Figure 1: Cutaneous xanthomas on (a) interphalangeal joints, (b) knee joint, (c) eyelid, and (d) gluteal region

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Complete blood count, liver, renal, and thyroid function tests were normal. Serum lipid profile showed markedly elevated levels of total cholesterol and low density lipoprotein cholesterol level (LDL-C) viz. 803 mg/dl and 732 mg/dl, respectively. However, high density lipoprotein cholesterol (HDL), very low density lipoprotein cholesterol (VLDL), and triglycerides levels were normal. Chest X-ray, electrocardiogram (ECG), two-dimensional echocardiography, and fundus examination of both eyes were normal.

Fine-needle aspiration cytology (FNAC) from nodular cystic swellings over the interphalangeal joint (knuckle) revealed predominantly foamy macrophages in a hemorrhagic background [Figure 2]a. Skin biopsy from the elbow lesion showed pan dermal infiltration by foamy macrophages [Figure 2]b.
Figure 2: (a) Fine needle aspiration cytology shows many foamy macrophages (Pap, ×200) (b) Skin biopsy shows pan dermal infiltration by foamy macrophages (H and E, ×100)

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Lipid profile of her father revealed elevated serum total cholesterol (385 mg/dL) and LDL-C (271 mg/dL) levels, however, lacked clinical manifestations and other associated systemic disease. Her mother refused to visit the hospital.

Other tests like computed tomography (CT) angiography, LDL receptor activity and genetic mutational analysis were not done due to financial constraint.

A diagnosis of homozygous familial hypercholesterolemia (HoFH) was made and medical treatment was started with statins and resins. She was recommended low fat and high fibre diet. However, follow-up after 6 months revealed no improvement in the clinical lesions and serum total cholesterol levels.

Xanthomas occur due to alteration in the lipid metabolism. Sometimes it can be the only presentation of a serious underlying lipid abnormality. In children, they are mostly associated with abnormalities of cholesterol metabolism with hypercholesterolemia and high LDL-C (Fredrickson, type II).[2]

Familial hypercholesterolemia (FH) is an autosomal dominant genetic disorder caused by mutation in the gene encoding the receptor for LDL located on chromosome 19.[3] FH most commonly presents as heterozygous form, becomes symptomatic in the 3rd and 6th decades, and responds well to treatment. Whereas homozygous state is rare and presents in early childhood with poor response to therapy.[3] Early presentation in HoFH is due to persistently raised serum total cholesterol and LDL-C (>500 mg/dL) levels since birth. Children with HoFH are at risk of early onset atherosclerosis, aortic valve disease, and premature coronary death.[4] The diagnosis is usually made by biochemical and clinical evaluation. However, LDL receptor activity and genetic mutational analysis can also be done for further confirmation.

Genetic counselling of the family is of utmost important. Therapeutic measures include diet modification and drugs such as statins used alone or in combination with bile acid sequsterant, fibrates, and Ezetimibe.[5] LDL apheresis and orthotopic liver transplantation are other available alternatives.[4]

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Conflicts of interest

There are no conflicts of interest.

   References Top

Babu R, Venkataram A, Santhosh S, Shivaswamy S. Giant Tuberous Xanthomas in a Case of Type IIA Hypercholesterolemia. J Cutan Aesthet Surg 2012;5:204-6.  Back to cited text no. 1
[PUBMED]  [Full text]  
Jain KS, Kathiravan MK, Somani RS, Shishoo CJ. The biology and chemistry of hyperlipidemia. Bioorg Med Chem 2007;15:4674-99.  Back to cited text no. 2
Van Aalst-Cohen ES, Jansen AC, de Jongh S, de Sauvage Nolting PR, Kastelein JJ. Clinical, diagnostic, and therapeutic aspects of familial hypercholesterolemia. Semin Vasc Med 2004;4:31-41.  Back to cited text no. 3
Cuchel M, Bruckert E, Ginsberg HN, Raal FJ, Santos RD, Hegele RA, et al. Homozygous familial hypercholesterolaemia: New insights and guidance for clinicians to improve detection and clinical management. Eur Heart J 2014;35:2146-57.  Back to cited text no. 4
Davidson MH. A systematic review of bile acid sequestrant therapy in children with familial hypercholesterolemia. J Clin Lipidol 2011;5:76-81.  Back to cited text no. 5


  [Figure 1], [Figure 2]

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1 Cutaneous Xanthoma- A Clue to Familial Hypercholesterolemia
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[Pubmed] | [DOI]


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