Possible pathogenesis of calcaneal bone cysts

Hoshi, Manabu; Oebisu, Naoto; Iwai, Tadashi; Shimatani, Akiyoshi; Takada, Naoki; Aono, Masanari; Ieguchi, Makoto; Takami, Masatsugu; Nakamura, Hiroaki

doi:10.1007/s00402-019-03299-0

Cited by 7 publications

(14 citation statements)

References 23 publications

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“…The pathogenesis of intraosseous lipomas arising from simple bone cysts of the calcaneus can be potentially explained by the theory proposed by Hoshi et al 9 Calcaneal cysts exclusively occur in the anterior half of the central triangular area of the calcaneus. 2,[7][8][9] This area is mainly supplied by the sinus tarsi artery, which is consistent with the foramen structure of the calcaneus.…”

Section: Discussionmentioning

confidence: 99%

“…If the root of the sinus tarsi artery is damaged around the nutrient foramen in the initial stage of calcaneal bone cyst formation, its control area degenerates, and subsequent hemorrhage may be responsible for the formation of calcaneal bone cysts 9 . Once bleeding occurs, degenerative tissue is not easily absorbed, and subsequent hemorrhage seems to be persistent due to poor bone remodeling, resulting in cyst formation 9 . Furthermore, calcaneal lipomas occur in the anterior half of the central triangular area of the calcaneus as with calcaneal cysts 10–13 .…”

Section: Discussionmentioning

confidence: 99%

“…Water/soft tissue attenuation was defined as CT values between 0 and 80 Hounsfield units (HU), whereas fat attenuation was defined as CT values less than 0 HU. Foramen structure was defined as perforation connecting the lesion to the anterior margin of the posterior facet 9 …”

Section: Methodsmentioning

confidence: 99%

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Imaging Findings of Calcaneal Cyst and Lipoma: Can Intraosseous Cyst Changes Into Lipoma With Advancing Age?

Kawaguchi¹,

Kato²,

Miyazaki³

et al. 2022

J Comput Assist Tomogr

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ObjectiveRecent studies have indicated that intraosseous lipomas originate from simple bone cysts of the calcaneus. This study evaluates computed tomography (CT) and magnetic resonance imaging (MRI) findings of calcaneal cysts and lipomas in pediatric and adult populations.MethodsForty-six patients with bone lesions located in the anterior portion of the calcaneus beneath the talocalcaneal joint, who underwent CT and/or MRI, were enrolled in this study. The imaging characteristics were retrospectively reviewed and compared between the pediatric (aged 18 years or younger; n = 29) and adult (aged 19 years or older; n = 17) groups.ResultsOn CT images, water/soft tissue attenuation alone was more frequent in the pediatric group than in the adult group (84% vs 13%, respectively; P < 0.01), whereas the combined water/soft tissue and fat attenuation (11% vs 47%, respectively; P < 0.05) and fat attenuation alone (5% vs 40%, respectively; P < 0.05) were less frequent in the pediatric group than in the adult group. On MRI, cystic components alone were more frequent in the pediatric group than in the adult group (88% vs 13%, respectively; P < 0.01), whereas the combined cystic and fat components (8% vs 38%, respectively; P < 0.05) and fat components alone (4% vs 50%, respectively; P < 0.01) were less frequent in the pediatric group than in the adult group.ConclusionsCalcaneal cysts were more frequent in the pediatric group, whereas calcaneal lipomas were more frequent in the adult group. These results could be additional evidence that intraosseous lipomas originate from simple bone cysts of the calcaneus.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Imaging Findings of Calcaneal Cyst and Lipoma: Can Intraosseous Cyst Changes Into Lipoma With Advancing Age?

Kawaguchi¹,

Kato²,

Miyazaki³

et al. 2022

J Comput Assist Tomogr

View full text Add to dashboard Cite

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“…Also, cyst laterality was evaluated on the coronal view of the T2-weighted MRI. In an evaluation of 24 cases, the cysts were centrally located in 21 cases (87.5%), medially in two cases (8.3%), and laterally in one (4.2%) [7]. In summary, SBCs are usually located inside the calcaneus centrally, anteriorly, and inferiorly, within the Ward's triangle, making the affected side wall thin.…”

Section: Discussionmentioning

confidence: 91%

“…Such a procedure is possible because SBCs are benign and can be treated effectively through intralesional curettage and cyst excision with bone graft [6]. Concerning the portals for approaching the cyst, most surgeons prefer two laterally located portals since most SBCs are located at the base of the lateral calcaneus neck within an area known as Ward's triangle and are easily accessible from the lateral side by penetrating the thinned lateral wall [7][8][9][10]. However, portals suitable for abnormally medially located calcaneal cysts, which present with thick lateral walls, have not been clearly established, probably due to their rare nature.…”

Section: Introductionmentioning

confidence: 99%

Efficacy of Lesion Specific Portals in Endoscopic Treatment of Calcaneal Bone Cyst: A Case Report and Literature Review

Lee

Kim

et al. 2021

Medicina

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Background: Calcaneal bone cysts rarely occur and most of them are known to be benign. Among them, simple bone cysts (SBCs) third most commonly occur in the calcaneus and of the many surgical treatment options, endoscopic curettage is recently gaining popularity among surgeons due to its advantages of minimal invasiveness and optimal visualization. As for portal placement for endoscopy, two lateral portals are considered a standard technique, but no rationale has been established for SBCs with abnormal geometry. This case report suggests an SBC with secondary aneurysmal change located outside the Ward’s triangle, as well as an appropriate endoscopic approach. Case Presentation: An 18-year-old male high school student presented with a main complaint of pain at the hind foot level for the past one year, without significant improvement from conservative treatment. An endoscopic curettage through the lesion specific two posterior portals and bone graft using allogeneic cancellous bone were performed. SBC with a secondary aneurysmal bone cyst was diagnosed on pathology. At a one-year follow-up, the patient was painless and had returned to his regular activities. Physical and radiographic examinations revealed that the lesion was completely healed without any evidence of recurrence. Conclusion: For calcaneal bone cysts located at the posterior aspect of the calcaneus, eccentrically medial and abnormally long anterior-posteriorly, we suggest an endoscopic procedure using lesion specific portals such as two posterior portals.

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Pathological fracture of a solitary bone cyst in the calcaneus: a case series and literature review

Hoshi

Iwai

Oebisu

et al. 2021

Arch Orthop Trauma Surg

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Possible pathogenesis of calcaneal bone cysts

Cited by 7 publications

References 23 publications

Imaging Findings of Calcaneal Cyst and Lipoma: Can Intraosseous Cyst Changes Into Lipoma With Advancing Age?

Imaging Findings of Calcaneal Cyst and Lipoma: Can Intraosseous Cyst Changes Into Lipoma With Advancing Age?

Efficacy of Lesion Specific Portals in Endoscopic Treatment of Calcaneal Bone Cyst: A Case Report and Literature Review

Pathological fracture of a solitary bone cyst in the calcaneus: a case series and literature review

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