Surgical excision of a tufted angioma of the hand in an adult—a rare case report with a review of literature
Case Report

Surgical excision of a tufted angioma of the hand in an adult—a rare case report with a review of literature

Nicolò Fabbri1, Francesco Quarantotto1, Annalisa Caruso1, Elena Montinari2, Serena Rubino1, Nicola Tamburini1, Pio Maniscalco1, Giorgio Cavallesco1

1Department of General and Thoracic Surgery, General and Thoracic Surgery Unit, S. Anna Hospital, University of Ferrara, Ferrara, Italy; 2Department of Experimental and Diagnostic Medicine, Section of Pathology, University of Ferrara, Ferrara, Italy

Correspondence to: Nicolò Fabbri, MD. Department of General and Thoracic Surgery, S. Anna Hospital, University of Ferrara, via Aldo Moro 8, 44100, Ferrara, Italy. Email: nicolo.fabbri@student.unife.it.

Abstract: Tufted Angiomas, also known as angioblastomas/Angioblastoma of Nagakawa, are rare vascular neoplasms of both sexes localised to the skin and subcutaneous tissues with the upper trunk and neck being the most common sites. They are more common in children but a few cases in juveniles and adults have been reported. Typically, Tufted Angioma remains stable or can show rarely a spontaneous regression. This article wants to evaluate the efficacy of current treatment modalities for tufted angioma (TA). A review was performed using PubMed database (Medline) for clinical studies. We report our case, a 29-year-old female who presented with a second finger of the left hand, painful, slowly progressive, firm swelling diagnosed as Tufted Angioma on histopathology and immunohistochemistry after complete surgical excision.

Keywords: Tufted angioma (TA); Kasabach-Merritt phenomenon (KMS); Kaposiform hemangio-endothelioma; vascular neoplasm


Received: 25 September 2018; Accepted: 07 December 2018; Published: 14 March 2019.

doi: 10.21037/acr.2019.02.02


Introduction

Tufted angioma is also known as Angioblastoma of Nakagawa (1) first described it in Japanese literature with the name “angioblastoma” in 1949 (2). The author suggested that this lesion is composed of undifferentiated atypical mesenchymal cells (3).

In 1971 Macmillan and Champion first described Tufted Angioma with the term “progressive capillary haemangioma” in English literature (2). To avoid misunderstanding with cerebellar haemangioblastoma (3), in 1976, Wilson Jones coined the term of Tufted Angioma, referring to dermis small delimited dusky red plaques with progressive enlargement (4) that are similar to strawberry nevi (5). Jones and Orkin separated it from Kaposi’s sarcoma or low-grade angiosarcoma in 1989 (4).

However, diagnosis of tufted angioma is infrequent and true incidence remains unknown.

As of 2015, only 158 cases are described in the English-language literature. No racial or gender predilection is recognized for tufted angioma. Patient with tufted angioma with a strong family history of similar lesions transmitted in an autosomal-dominant mode of inheritance have been reported (6). In those patients, lesion spontaneously regressed.

Most of these benign vascular tumors develop in childhood (2) with approximately 25% with congenital presentation and 50% of them that appear in the first year of life. Acquired TA has been reported in immuno-compromised adults (7), older individuals are occasionally affected (2).

Tufted angioma must be distinguished from other vascular tumors including infantile hemangiomas, congenital hemangiomas, vascular malformations and, especially in adult-onset cases, Kaposi form hemangio-endothelioma or Kaposi’s sarcoma (1). When present in old patient, this lesion should be distinguished from angiosarcoma (8).

No causes of TA have yet been established. Trauma does not appear to be a predisposing factor, although a report describes the development of a lesion of tufted angioma at the site of a previous arthropod bite (1).

Solitary cutaneous TA is an asymptomatic lesion with excellent prognosis as reported in our report.


Case presentation

We present the case of a 29-year-old Chinese woman who was admitted to hospital for a bloody neoplasm of the second finger of the left hand. The patient reports the appearance of paint at the level of neoformation without loss of finger function. The case history was partially unclear. Patient reported having this neoformation with a slow growth over the years, but did not remember a specific trigger. The neoplasia sometimes caused intense pain and this was also due to the position it occupied in the hand. The first diagnostic hypotheses could be: foreign body granuloma, wart of the hand, tumor (e.g., ulcerated spinocellular carcinoma, basal cell tumor), hemangiopericytoma, angioma. The patient was not sure if she had received an unspecified insect bite some time ago and at a first observation of the lesion we thought of a granuloma. However, the patient reported having always had a reddish appearance on her finger and a long history could not be justified by a recent traumatic event. There was no history of other types of cutaneous lesion, infection or any drug intake. No physical or systemic abnormality was noted. Patient had normal haemogram, coagulation profile and immune status. This neoplasm was a greyish nodular neoformation of 3.1 cm of maximum diameter with focal brunest areas and tensile-elastic texture superficially ulcerated. Lesion was completely excised and submitted for histopathological examination. The final diagnosis was “Tufted angioma” (Figures 1 and 2) because of the histologic finding of small circumscribed angiomatous tufts and lobules scattered in the dermis. Cell marker studies suggest that the cell lobules of the tufted angiomas consist of closely packed blood capillary endothelial and perithelial cells.

Figure 1 Tufted angioma: numerous lobules in the dermis (H&E 4×).
Figure 2 Tufted angioma: ectatic vessel into which the lobular tuft protruded (H&E 20×).

The patient has been discharged the same day; no postoperative complications have occurred. After a follow-up of 6 months, the patient was in good condition without recurrences or symptoms, no pain or loss of function was referred.


Discussion

In 1987, Padilla et al. (9) described 20 patients with benign, progressive vascular lesions that had a distinctive histopathologic appearance. They termed these lesions tufted angioma. Previously, similar lesions had been described as “angioblastoma” or “angioblastoma of Nakagawa” in the Japanese literature (10,11); these are now considered by many to be identical to acquired tufted angioma because of similar histopathological features (4,9,12,13).

Most cases (60–70%) of tufted angiomas develop before the age of five years and fewer than 10% of cases with TA occur after the age of 50 years. There is no sex predilection (14).

Macroscopically, Tufted angioma presents with solitary slowly spreading erythematous macules and papules (8) with poorly defined borders. The diameter of the patches generally ranges from less than 1 cm to several centimeters (1), with generally 2–10 cm size. Lesions progressively enlarge at a variable rate becoming more or less stable (2). Most commonly, it is localised to the skin and subcutaneous tissue (7), soft tissues of the trunk, shoulders, extremities, neck and head (14) and occasionally the proximal limbs (7). Involvement of other location like face, oral mucosa or lip are also know (5).

Microscopically, Tufted angioma has a classical morphology (5). It shows multiple scattered lobules or tufts having a cannonball appearance (7). The lesions are composed of multifocal, tightly packed knots or tufts of spindle and polygonal cells associated with endothelial cells (2). Tufted angioma and KHE (Kaposi Hemangioendothelioma) share several histopathologic and clinical features, that include the presence of glomeruloid structures and a lymphatic network and are thought to be part of the same neoplastic spectrum.

The pathogenesis of Tufted angiomas is not well understood. Vascular markers (CD31 and CD34), vascular endothelial growth factor receptor-3 (VEGFR-3), and lymphatic markers (D2-40 and PROX1) on the neoplastic cells suggest they may be derived from the endothelial cells of lymphatic vessels.

Cell marker studies suggest that the cell lobules of the angiomas consist of closely packed blood capillary endothelial and perithelial cells (4). The presence of endothelial cells and of Weibel-Palade bodies is confirmed by ultrastructural studies (2). Endothelial cells show reactivity for markers as CD31, CD34 AND Von Willebrand factor (factor VIII) (5). In TA, D2-40 is partially positive in the surrounding dilated vessels and negative in cannonball-like proliferative capillaries (15). The surrounding spindle and polygonal cells may show few cytofilaments or focal condensations of microfilaments Pericytes that surround the capillaries are the principal cells of Tufted angioma (5). The tufts may form capillaries. Dense fibrous connective tissue separates these lobules of cells TA has a slow and progressive growth, nevertheless malignant transformation has not been reported by follow-up studies (8), even if it could be local aggressive (16).

Sometimes, lesions can be surmounted by nodular formations. Occasionally, the lesions start or persist as small dusky red-to-violaceous large infiltrated plaque, that can be indurated and firm (17). Most of the lesions are asymptomatic (5), but they can be associated with hypertrichosis or hyperhidrosis (15), with the last one that occurs in 30% of patients (7).

Tufted angioma can also have the shape of tender lesions (18). Cases with spontaneous regression have been reported, commonly occurring when onset is before six months of age (7). Tufted angioma it can also show transient spontaneous regression between 6 months and 2 years or it can completely disappear (19). One particular case presented as recurrent acquired tufted angioma associated with pregnancy that disappeared after childbirth (20), and another one developed after liver transplant which regressed spontaneously (2). When the onset is later than six months of age, partial spontaneous regression of TA may occur, but complete disappearance is extremely rare (7).

The most serious complication of Tufted angioma is the Kasabach-Merritt phenomenon, a life-threatening coagulopathy that causes thrombocytopenia, consumption of fibrinogen and other coagulation factors. In those patient Tufted angioma are symptomatic, show an infiltrative pattern and have a poor cosmetic outcome (21). In this setting, the presence of petechial and ecchymotic patches should alert the physician to the development of KMS (1).

Persistent TA requires treatment. Treatment guidelines for Tufted angioma have not been laid out yet. Medical treatments such as corticosteroids, interferon-α and laser therapy have all shown variable treatment outcomes. However, the small size of mucosal TA yields well to surgical excision.

Moderate- to high-dose gluco-corticoids were considered the main therapy for Kasposiform hemoangioendothelioma and Tufted angioma (KHE/TA); however, these steroids are associated with poor response rates and multiple short-term/long-term side effects (22) such as Cushing Syndrome or opportunistic infections. Vincristine (VCR), an inhibitor of endothelial proliferation, is a promising pharmaco-therapeutic approach for treating KHE/TA, especially for steroid-resistant KHE. Large clinical trials have demonstrated the effectiveness of VCR in treating KHE. Other treatment modalities including interferon, radio-therapy, embolization, anti-platelet agents (aspirin), propranolol and sirolimus, which have been used alone or in combination are reserved as second- or third-line therapies. Nevertheless, none of the treatments mentioned above has been reported to have a uniform and reproducible effect. Xiao Han Liu et. Al conducted a meta-analysis of 15 clinical studies compared different therapies for KHE/TA. The findings demonstrated that vincristine was relatively more effective compared with other therapies, including systemic corticosteroids, interferon, radiotherapy, embolization, aspirin/ticlopidine and sirolimus.

Over 70% of KHE and TA cases are associated with Kasabach-Merritt syndrome or phenomenon (KMS or KMP), a life-threatening constellation of thrombocytopenia, coagulopathy and purpura with a mortality of 20%. Thus, enlarging tumours and tumours with KMP often require early interventions. Given the rarity of KHE/TA, there is presently no evidence-based standard therapy for the disease (23).


Conclusions

TA is a rare vascular neoplasm, localized in skin and subcutaneous tissue. The true incidence of Tufted Angioma is still unknown, because not all cases come to medical observation. It can be congenital or acquired, generally associated with immunodeficiency in adults. There is still much to know about this neoplasm, starting from predisposing factors and triggering factors that seem to differ in different age groups. The phenomenon of spontaneous regression that has been found in pediatric forms could suggest the presence of growth factors necessary for tumor development that are more common in developing organisms than in adulthood. However, the phenomenon of regression of Tufted Angiomas remains unexplained. Cases of Tufted angiomas diagnosed in adulthood are very rare. Nowadays immunodepression is considered one of the factors able to predispose some acquired forms. We suggest that the higher incidence in immunosuppressed patients could be indicate a possible viral involvement at the base of the phenomenon of tumorigenesis which at the moment is still unknown. Traumatism does not seem to have a major role in the formation of angioma; indeed we found only one case in the literature reported by Pesapane et al. which describes the development of a Tufted angioma on the site of a previous bite of an arthropod. There is not an evidence-based standard therapy for this disease. The various options include the use of glucocorticoide, VCR, Interferon, ASA administration or RT and embolization use.

In our case report, we have used surgery to treat a vascular lesion that was found to be a TA after histological examination, without recurrence or complications after a 6 months follow-up. As we reported in our review, surgery can be the main therapy for small, single TA. In these cases surgery offers a long term healing without side effect, loss of function or important aesthetic damages.


Acknowledgements

None.


Footnote

Conflicts of Interest: The authors have no conflicts of interest to declare.

Informed Consent: Written informed consent was obtained from the patient to publish this manuscript and any accompanying images.


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doi: 10.21037/acr.2019.02.02
Cite this article as: Fabbri N, Quarantotto F, Caruso A, Montinari E, Rubino S, Tamburini N, Maniscalco P, Cavallesco G. Surgical excision of a tufted angioma of the hand in an adult—a rare case report with a review of literature. AME Case Rep 2019;3:7.