BACKGROUND: Primary adenoid cystic carcinoma (AdCC) of the tracheobronchial tree is very rare with a high risk for recurrence and metastasis. The diagnosis of AdCC by histologic and immunohistochemical means has been well studied clinically. However, the identification of AdCC by cytologic features remains elusive due to the atypical features the cancer presents. This study aimed to describe the cytologic features of AdCC by using bronchial brushing, which could aid in distinguishing AdCC from other pulmonary carcinomas.
METHODS: The cytopathological features of bronchial brushing smears collected from seven cases were histologically diagnosed as AdCC. The defined cytologic features, which could potentially be diagnostic, were systemically analyzed.
RESULTS: Four out of the seven cytologic cases were inconcordance with the histologic diagnosis and cytologically classified as positive for malignant cells, small cell carcinoma, or atypical cells. Three cases showed a characteristic adenoid structure and magenta stroma forming globule, which was distinguished from the four cases. Cytologically, the above mentioned three cases were uniform with relatively small bland nuclei and little cytoplasm. In this study, only one case showed atypical polygonal medium-sized cells with conspicuous nucleoli.
CONCLUSIONS: Unlike fine-needle aspiration cytology, magenta stroma globules might offer an alternate clue for cytodiagnosis of AdCC clinically. Bronchial brushings cytology was more present in bland uniform cells with high nuclear to cytoplasmic ratios and background mucoid substance. More cases should be collected and confirmed using histopathology with careful film reading to reduce the rate of misdiagnosis.

Anaphylaxis is an acute multisystem syndrome typically resulting from the sudden release of mast cell and basophil-derived mediators into the circulatory system. Isosulfan blue dye is a rare, but known, mediator of anaphylaxis with an incidence between 0.16% and 2% of cases. We report two cases of anaphylaxis attributed to the use of isosulfan blue dye in the intraoperative setting. Both of the patients we report had grade 3 anaphylactic reactions requiring vasopressors to correct significant hypotension. Both patients required overnight monitoring in the intensive care unit with the second patient also requiring continued vasopressor support.

The case of a patient who experienced serious adverse effects following a potential overdose of Patent Blue V dye (PVB) is presented here. A 65-year-old woman developed cardiac arrythmias and circulatory instability 35 minutes after receiving 100 mg PVB during breast cancer surgery. An allergic reaction was assumed and treated accordingly. Intraoperatively, both epinephrine and norepinephrine infusions were required to support circulation. However, mast-cell tryptase levels were normal and subsequent allergy testing for all potential allergens was negative. This case highlights that life-threatening reactions to perioperative PVB should not always be attributed to anaphylaxis; systemic toxicity could occur with an overdose.

暂无摘要。

BACKGROUND: Anaphylaxis is a constant perioperative concern due to the exposure to several agents capable of inducing hypersensitivity reactions. Patent blue V (PBV), also known as Sulfan Blue, a synthetic dye used in sentinel node research in breast surgery, is responsible for 0.6% of reported anaphylactic conditions. We present a case of a 49-year-old female patient who underwent left breast tumorectomy with sentinel lymph node staging using PBV and experienced an anaphylactic reaction.
METHODS: We conducted a literature search through PubMed for case reports, case series, reviews, and systematic reviews since 2005 with the keywords \"anaphylaxis\" and \"patent blue\". We then included articles found in these publications\' reference sections.
RESULTS: We found 12 relevant publications regarding this topic. The main findings are summarized, with information regarding the clinical presentation, management, and investigation protocol. Hypotension is the most common clinical manifestation. The presentation is usually delayed when compared with anaphylaxis from other agents, and cutaneous manifestations are occasionally absent. Patients may have had previous exposure to the dye, used also as a food, clothes and drug colorant.
CONCLUSIONS: The diagnosis of anaphylaxis in patients under sedation or general anesthesia may be difficult due to particularities of the perioperative context. According to the published literature, the presentation of the reaction is similar in most cases and a heightened clinical sense is key to address the situation appropriately. Finding the agent responsible for the allergic reaction is of paramount importance to prevent future episodes.

暂无摘要。

BACKGROUND: Computerized tomography (CT)-guided blue dye localization has been widely discussed for preoperative localization of pulmonary nodules. However, few studies have investigated this technique for intra-abdominal lesions. Although preoperative localization is not commonly required in laparotomy, it may assume importance with advancements in the field of laparoscopic surgery.
UNASSIGNED: Herein, we report the cases of 2 patients diagnosed with colon cancer who underwent hemicolectomy with extended lymphadenectomy and subsequent chemotherapy.
UNASSIGNED: Follow-up CT scans showed newly developed metastatic lymphadenopathy and peritoneal tumor implants.
METHODS: Considering the difficulty in identification of and access to the target lesions during laparoscopic surgery, preoperative CT-guided blue dye localization was performed in both cases.
RESULTS: All the target lesions were identified by the dye marker and removed successfully. The pathologic results revealed adenocarcinoma.
CONCLUSIONS: We established the following strategy for preoperative CT-guided dye localization of intra-abdominal lesions:Intra-abdominal lesions that are hard to identify due to their size or morphology, and difficult to approach due to their location or surrounding structures, maybe the candidates for this procedure, especially in cases of laparoscopic surgery.Operators should adjust their localization planning based on the surgery method, cutting path, and location of port sites. The target dye marker should be clearly visible in the presumed intra-operative field of view.A second dye marker should be made to ensure surgical success when the target dye marker is obscured by the surrounding structures in the presumed intra-operative field of view.

Intraoperative search for the sentinal node using patent blue is considered a non risk procedure. We emphasize the highly exceptional nature of this adverse effect previously observed in other disciplines using this coloring agent. We present a case of allergic reaction to patent blue in a patient who underwent left mastectomy with sentinel lymph node. About 25 min after the dye injection, the patient developed increased heart frequency and allergic skin reaction. The patient was treated successfully with decreased inspired fraction of inhaled anesthetic and fluid replacement. The patient recovered uneventfully and was discharged from the PACU 3h after the end of surgery without skin changes and was discharged from hospital on the morning after surgery. Allergic reactions with the use of patent blue are far superior to the hypersensitivity reactions seen with anesthetic and adjuvant drugs. Therefore, the anesthesiologist must be aware of cardiovascular instability associated with skin changes during the use of patent blue, for early diagnosis and appropriate treatment of this hypersensitivity reaction to this dye. Skin tests done later confirmed allergy to patent blue dye; the tests induced a small syndrome reaction. Surgical personnel who use patent blue dye should be made aware of the risk of allergic reactions, sometimes severe, to this dye.

In medicine, patent blue violet (PBV) is utilized for staining lymphatic vessels in sentinel lymph node (SLN) surgery. Moreover, PBV (also called E131 ) is used as food additive. We report on a 51-year-old non-atopic female with early breast cancer, who was scheduled for SLN excision and experienced an intra-operative anaphylactic reaction. In diagnostics the skin prick test (SPT) was positive to PBV. Hypersensitivity reactions to PBV can arise after the first exposure in surgery as sensitization may arise from either PBV (E131) in foods (i.e. in sweets or blue curacao) or from other structurally closely related triarylmethane dyes in objects of everyday life like textiles, detergents, paints, cold remedies and cosmetics. This article supports the necessity of an increased awareness of the possibility of anaphylactic reactions to PBV during SLN surgery, even if the patient never had contact to PBV before.

We present a case of allergic reaction to patent blue in a patient who underwent excision of sentinel lymph node associated with segmental breast resection. About 20min after the dye injection, the patient developed hypotension (BP=70×30mmHg) associated with increased heart frequency. The patient was treated successfully with decreased inspired fraction of inhaled anesthetic and fluid replacement. At the end of the procedure, she presented with bluish urticarial-like plaques on the head, neck, upper limbs, and trunk; hydrocortisone was then used. The patient recovered uneventfully and was discharged from the PACU 2h after the end of surgery without skin changes, and was discharged from hospital on the morning after surgery. The incidence of allergic reactions with the use of patent blue is far superior to the hypersensitivity reactions seen with anesthetic and adjuvant drugs. Therefore, the anesthesiologist must be aware of cardiovascular instability associated with skin changes during the use of patent blue, for early diagnosis and appropriate treatment of this hypersensitivity reaction to this dye.