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. 2009:2009:bcr09.2008.0989.
doi: 10.1136/bcr.09.2008.0989. Epub 2009 Feb 2.

Call-Fleming syndrome associated with subarachnoid haemorrhage: three new cases

R R Moustafa  1 , C M C Allen, J-C Baron
Affiliations

Call-Fleming syndrome associated with subarachnoid haemorrhage: three new cases

R R Moustafa et al. BMJ Case Rep. 2009.

Abstract

The Call-Fleming syndrome (CFS) comprises acute severe recurrent (thunderclap) headaches, occasional transient or fluctuating neurological abnormalities and reversible segmental cerebral vasoconstriction. It is a benign condition with an excellent prognosis, yet because it is often clinically and radiologically similar to a number of commonly encountered conditions, diagnostic difficulties may arise, leading to inappropriate, and even potentially harmful, investigative and therapeutic approaches. Three personal cases are presented to highlight the occurrence of subarachnoid haemorrhage (SAH) as part of CFS. In two patients with a positive CT head, SAH involved the sulci in the upper cerebral convexity, an unusual location in aneurysmal SAH. SAH is not an uncommon feature of CFS, occurring in approximately 25% of reported cases, and may pose a diagnostic challenge. CFS has a relatively characteristic spectrum of features, allowing a confident diagnosis in most cases, even when atypical features such as SAH are present. Recognising the spectrum of abnormalities seen in CFS, including particularly SAH, allows a sound approach to a safe diagnosis.

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Figures

Figure 1
Figure 1. (A) Non-enhanced CT scan of the head of patient No 1 showing minor subarachnoid haemorrhage (SAH) overlying the superior frontal surface bilaterally.
(B, C) Digital subtraction angiography (DSA) anteroposterior projections of patient No 1 showing multiple segments of narrowing in the anterior and posterior arterial trees. (D, E) Fluid attenuated inversion recovery MRI of patient No 2 at presentation showing SAH filling a sulcus over the left frontal lobe and extending into the parenchyma. (F) DSA lateral projection in patient No 2 showing multiple segmental narrowing in branches of the carotid circulation; initial DSA in anteroposterior projection of the anterior circulation (G) and lateral projection of the vertebrobasilar system (H) of patient No 3 showing typical segmental vasoconstriction.
See this image and copyright information in PMC

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