The International Society for the Study of Vascular Anomalies (ISSVA) ontology

Damme, Philip van; Kersloot, Martijn G.; Vieira, Bruna dos Santos; Kool, Leo Schultze; Cornet, Ronald

doi:10.1016/j.websem.2022.100731

Cited by 5 publications

(5 citation statements)

References 11 publications

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“…At present, the classification of hemangiomas in animals is unclear, as well as the definition of each tumor subtype. The latest International Society for the Study of Vascular Anomalies (ISSVA) guideline classifies human benign hemangiomas as infantile hemangiomas, congenital hemangiomas, tufted hemangiomas, spindle cell hemangiomas, epithelioid hemangiomas, pyogenic hemangiomas, micro capillary hemangiomas and others [ 16 ]. In general, infant hemangiomas begin to grow at 2–3 weeks after birth, with 40 times more proliferating endothelial cells and mast cells in the tumor than in normal tissue.…”

Section: Discussionmentioning

confidence: 99%

Infantile hemangioma in a subadult Chinese pangolin: a case report

Wang,

Xu,

et al. 2024

BMC Vet Res

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Background Hemangiomas are a relatively common type of tumor in humans and animals. Various subtypes of hemangiomas have been described in the literature. The classification methods for hemangiomas differ between human and veterinary medicine, and the basis for tumor classification can be found in the literature. Case presentation This study describes a tumor in the subcutaneous tissue of the right dorsum of an artificially rescued juvenile Chinese pangolin. Computed tomography (CT) examination yielded the preliminary diagnosis of a vascular malformation, and surgery was performed to resect the tumor. Histopathological examination showed that the tumor mainly was consisted of adipose tissue, capillaries, and spindle cells in the fibrous stroma. Immunohistochemistry showed the positive expression of CD31, CD34, α-SMA, GLUT1 and WT-1 in the tumor tissue, and the tumor was eventually diagnosed as an infantile haemangioma. Conclusion The final diagnosis of infantile hemangioma was depended on the histopathological immunohistochemical and CT examination of the neoplastic tissue. This is the first report of infantile hemangioma in a critically endangered species Chinese pangolin.

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Section: Discussionmentioning

confidence: 99%

Infantile hemangioma in a subadult Chinese pangolin: a case report

Wang,

Xu,

et al. 2024

BMC Vet Res

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“…Hemangioma of the conjunctiva and eye lid is evident clinically as congenital anomalies on rare occasions 1–6 . Recently, hemangioma and lymphangioma are all together designated as vascular malformations in the entity of vascular anomalies which contain the other sub‐entity of vascular tumors, according to the International Society for the Study of Vascular Anomalies (ISSVA) classification 7,8 . Vascular tumors show proliferative changes of vascular endothelial cells while vascular malformations consist of structural vascular abnormalities.…”

Section: Introductionmentioning

confidence: 99%

“… 1 , 2 , 3 , 4 , 5 , 6 Recently, hemangioma and lymphangioma are all together designated as vascular malformations in the entity of vascular anomalies which contain the other sub‐entity of vascular tumors, according to the International Society for the Study of Vascular Anomalies (ISSVA) classification. 7 , 8 Vascular tumors show proliferative changes of vascular endothelial cells while vascular malformations consist of structural vascular abnormalities. Based on the structural components of capillary blood vessels or veins, capillary and cavernous hemangioma are capillary and venous malformations, respectively.…”

Section: Introductionmentioning

confidence: 99%

Decades of stability of conjunctival vascular malformations in two patients

Matsuo,

Tanaka,

Kimata

2024

Clinical Case Reports

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Key Clinical MessageConjunctival hemangioma and lymphangioma are rare and their long‐term follow‐up description has been scarce. In our two patients, conjunctival vascular and lymphatic malformations remained stable in decades and could be observed without treatment.AbstractA 65‐year‐old woman with diabetic retinopathy underwent glaucoma surgery to construct a filtering bleb adjacent to conjunctival hemangioma, and showed bleb function and stable hemangioma for a decade. A 1.5‐year‐old girl with right eye lid and cheek swelling by orbital to facial lymphangioma was followed for visual acuity development. Conjunctival lymphangioma was stable in 20 years.

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“…The most recent classification accepted by the International Society for the Study of Vascular Anomalies 2018 (ISSVA) classifies vascular anomalies into vascular tumors and vascular malformations. Vascular malformations can be subdivided into capillary malformations, lymphatic malformations (LM), venous malformations, arteriovenous malformations, and arteriovenous fistulas [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

“…Various classifications have been proposed for lymphangioma: (a) Landing and Farber classified LM into lymphangioma simplex, cavernous lymphangioma, and cystic lymphangioma/hygroma [ 5 ]; (b) based on the depth and size of abnormal lymphatic vessels, LM can be classified into superficial (lymphangioma circumscriptum) and deep (cavernous lymphangioma and cystic hygromas); (c) based on the onset, LM is divided into congenital (more common) and acquired; (d) based on the spread into anatomical spaces in the head and neck region [ 6 ], cystic hygroma can be divided into class/grade I - unilateral infrahyoid, class/grade II - unilateral suprahyoid, class/grade III - unilateral infra and suprahyoid, class/grade IV - bilateral suprahyoid and class/grade V - bilateral infra and suprahyoid [ 7 ]; (e) recently, ISSVA classifies LM into common (cystic) LM (macrocystic LM, microcystic LM, and mixed cystic LM), generalized lymphatic anomaly (GLA), Gorham-Stout disease, channel type LM, and "acquired" progressive lymphatic anomaly [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

Lymphangioma of the Oral and Maxillofacial Region: A Report of Three Cases

Haidry¹,

Shivhare²,

Vaidyanathan³

et al. 2022

Cureus

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Lymphangiomas, or lymphatic malformations (LM), are benign malformations of the lymphatic system characterized by abnormal proliferation of lymphatic vessels. It was first described by Virchow in 1854. They occur rarely in the oral cavity and involve the tongue dorsum more often. Though complete surgical excision is the gold standard and most desirable management, certain limitations restrict this approach. Laser therapy, cryotherapy, electrocautery, sclerotherapy, and intralesional injections of steroids and Bevacizumab are other treatment options in such cases. Here, we present three cases of diverse forms of lymphatic malformations treated with two different modalities of treatment.

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The International Society for the Study of Vascular Anomalies (ISSVA) ontology

Cited by 5 publications

References 11 publications

Infantile hemangioma in a subadult Chinese pangolin: a case report

Infantile hemangioma in a subadult Chinese pangolin: a case report

Decades of stability of conjunctival vascular malformations in two patients

Lymphangioma of the Oral and Maxillofacial Region: A Report of Three Cases

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