Unilateral Submandibular Gland Aplasia with Ipsilateral Sublingual Ranula - A Case Report.

Background: Congenital aplasia of major salivary glands is a very rare entity, especially if it concerns an ipsilateral aplasia in a nonsyndromic patient.

Key Points From The Case: The aim of this report is to present a case of an aplasia of the left submandibular gland, which was incidentally diagnosed during presurgical imaging for an ipsilateral sublingual ranula. Histopathological evidence of the lack of sublingual gland tissue in the excised specimen of the ranula is discussed.

Correction to: Abstracts : 31st European Congress of Pathology.

The name of the co-author of E-PS-07-008 (page S294) was presented as 'S. Despina' instead of 'D. Sgouridi' in the authorship group The name has been corrected in the authorship group shown above.

Intestinal thrombotic microangiopathy: a distinct entity in the spectrum of graft-versus-host disease.

Transplant-associated thrombotic microangiopathy (TA-TMA) is a severe complication of allogeneic hematopoietic cell transplantation (allo-HCT) with multisystem involvement. Cases of TMA in the intestinal vasculature (intestinal TMA/iTMA) have been reported. We hypothesized that iTMA is a distinct entity from TA-TMA.